Annika Harper
type: MusicGroup
popularity: 38
followers: 881
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe49ac05e2b4ad6fe5863d7bd5e3ac24c02250c421a517c9b2f978e869de2f1f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebcf0d34-672a-4173-a35e-cbf95340363a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ebcf0d34-672a-4173-a35e-cbf95340363a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ebcf0d34-672a-4173-a35e-cbf95340363a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe49ac05e2b4ad6fe5863d7bd5e3ac24c02250c421a517c9b2f978e869de2f1f9","name":"Annika Harper","registered_at":"2026-06-12T12:54:17Z","symbol":"NIM0303842","token_address":"0x6c106dbe3e206131125d29db0e39844eba28bb87","type":"artist","uuid":"ebcf0d34-672a-4173-a35e-cbf95340363a"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe49ac05e2b4ad6fe5863d7bd5e3ac24c02250c421a517c9b2f978e869de2f1f9. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ebcf0d34-672a-4173-a35e-cbf95340363a.json and https://artists.proofprofile.net/proofs/artist/ebcf0d34-672a-4173-a35e-cbf95340363a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xe49ac05e2b4ad6fe5863d7bd5e3ac24c02250c421a517c9b2f978e869de2f1f9","name":"Annika Harper","registered_at":"2026-06-12T12:54:17Z","symbol":"NIM0303842","token_address":"0x6c106dbe3e206131125d29db0e39844eba28bb87","type":"artist","uuid":"ebcf0d34-672a-4173-a35e-cbf95340363a"}
album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
  track: Kapitel 4.2 - Cornwall College 1: Was verbirgt Cara Winter?
    type: MusicRecording
    duration: PT3M10S
    duration ms: 190200
    explicit: false
    by artist: Annika Harper
    in album: Cornwall College 1: Was verbirgt Cara Winter?
      type: MusicAlbum
      date published: 2015-07-30
    isrc code: DEVP81140727
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T21:23:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x23d5dab6435be78991897a82a966730253ca8c06100eb50da99e54d5b168e955
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957756
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957756
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140727
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T21:36:27Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23d5dab6435be78991897a82a966730253ca8c06100eb50da99e54d5b168e955. Chain 2 (Bitcoin): anchored in block 957756 (2026-07-12T21:36:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140727.
      date published: 2026-07-12T21:36:27Z
    audio: Kapitel 4.2 - Cornwall College 1: Was verbirgt Cara Winter?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 101.048
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.771
      additional property: Energy
        type: PropertyValue
        value: 0.125
      additional property: Speechiness
        type: PropertyValue
        value: 0.952
      additional property: Acousticness
        type: PropertyValue
        value: 0.455
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.336
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.567
      additional property: Loudness (dB)
        type: PropertyValue
        value: -22.639
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Kapitel 4.3 & Kapitel 5.1 - Cornwall College 1: Was verbirgt Cara Winter?
    type: MusicRecording
    duration: PT3M6S
    duration ms: 186786
    explicit: false
    by artist: Annika Harper
    in album: Cornwall College 1: Was verbirgt Cara Winter?
      type: MusicAlbum
      date published: 2015-07-30
    isrc code: DEVP81140728
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T22:36:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3ec290e3c50404a69ad0f69926deea1a1747d00d9f3d73cf892ad084a8e85193
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956422
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956422
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140728
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-03T01:01:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3ec290e3c50404a69ad0f69926deea1a1747d00d9f3d73cf892ad084a8e85193. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140728.
      date published: 2026-07-03T01:01:38Z
    audio: Kapitel 4.3 & Kapitel 5.1 - Cornwall College 1: Was verbirgt Cara Winter?
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.332
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.722
      additional property: Energy
        type: PropertyValue
        value: 0.098
      additional property: Speechiness
        type: PropertyValue
        value: 0.947
      additional property: Acousticness
        type: PropertyValue
        value: 0.343
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.501
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.497
      additional property: Loudness (dB)
        type: PropertyValue
        value: -23.683
      additional property: Key Name
      additional property: Mode Name
  track: Kapitel 5.2 & Kapitel 6.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 6.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 6.3 & Kapitel 7.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 7.2 & Kapitel 8.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 8.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 8.3 & Kapitel 9.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 10.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 10.3 & Kapitel 11.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 11.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 11.3 & Kapitel 12.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 12.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 12.3 & Kapitel 13.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 13.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 13.3 & Kapitel 14.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 14.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 14.3 & Kapitel 15.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 15.2 & Kapitel 16.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 16.2 & Kapitel 17.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 17.2 & Kapitel 18.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 18.2 & Kapitel 19.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 19.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 19.3 & Kapitel 20.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 20.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 20.3 & Kapitel 21.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 21.2 & Kapitel 22.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 22.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 22.3 & Kapitel 23.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 23.2 & Kapitel 24.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 24.2 & Kapitel 25.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 25.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 25.3 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 25.4 & Kapitel 26.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 26.2 & Kapitel 27.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 27.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 27.3 & Kapitel 28.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 28.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 28.3 & Kapitel 29.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 29.2 & Kapitel 30.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 30.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 30.3 & Kapitel 31 & Kapitel 32.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 32.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 32.3 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 32.4 & Kapitel 33.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 33.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 33.3 & Kapitel 34.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 34.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 34.3 & Kapitel 35.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 35.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 35.3 & Kapitel 36.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 36.2 & Kapitel 37.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 37.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 37.3 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 37.4 & Kapitel 38.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 38.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 38.3 & Kapitel 39.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 39.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 39.3 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 39.4 & Kapitel 40.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 40.2 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 40.3 & Kapitel 41.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 41.2 & Kapitel 42.1 - Cornwall College 1: Was verbirgt Cara Winter?
  track: Kapitel 42.2 - Cornwall College 1: Was verbirgt Cara Winter?
album: Cornwall College 2: Wem kann Cara trauen?

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Kapitel 5.2 & Kapitel 6.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185106
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140729
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:30:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1ff6ba6848f8a2275dd7b5553938603760f6d8eca03a6f727145b70c462e910e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956440
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956440
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140729
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:27:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1ff6ba6848f8a2275dd7b5553938603760f6d8eca03a6f727145b70c462e910e. Chain 2 (Bitcoin): anchored in block 956440 (2026-07-17T03:27:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140729.
  date published: 2026-07-17T03:27:55Z
audio: Kapitel 5.2 & Kapitel 6.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.889
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.657
  additional property: Energy
    type: PropertyValue
    value: 0.112
  additional property: Speechiness
    type: PropertyValue
    value: 0.955
  additional property: Acousticness
    type: PropertyValue
    value: 0.356
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.153
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.54
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.409
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187400
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140730
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T21:46:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2aa2966e4df1e250d4cf282c4f1527f9368ae9ba0553050df29569863faded7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957766
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957766
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140730
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T22:25:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2aa2966e4df1e250d4cf282c4f1527f9368ae9ba0553050df29569863faded7. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140730.
  date published: 2026-07-12T22:25:04Z
audio: Kapitel 6.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.959
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.715
  additional property: Energy
    type: PropertyValue
    value: 0.111
  additional property: Speechiness
    type: PropertyValue
    value: 0.959
  additional property: Acousticness
    type: PropertyValue
    value: 0.385
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.271
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.589
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.501
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.3 & Kapitel 7.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187273
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140731
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:29:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1df8c502d9f45dc82bf847b03ba7a04a0890ede5847c487b807481678a79efe4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956474
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956474
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140731
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T08:56:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1df8c502d9f45dc82bf847b03ba7a04a0890ede5847c487b807481678a79efe4. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140731.
  date published: 2026-07-03T08:56:35Z
audio: Kapitel 6.3 & Kapitel 7.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.941
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.64
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.951
  additional property: Acousticness
    type: PropertyValue
    value: 0.36
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.434
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.553
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.912
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 7.2 & Kapitel 8.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186686
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140732
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:24:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c63ce3aabf688ab7232bbc69e5531300ebac524b91a734e288f803040933da6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958146
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958146
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140732
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T10:33:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c63ce3aabf688ab7232bbc69e5531300ebac524b91a734e288f803040933da6. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140732.
  date published: 2026-07-15T10:33:22Z
audio: Kapitel 7.2 & Kapitel 8.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.324
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.667
  additional property: Energy
    type: PropertyValue
    value: 0.137
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.277
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.388
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.473
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.776
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 8.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187800
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140733
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T22:41:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4ab73b4904391f68e4ddc3fb855c185dc3a2f8a92d31fa40809ada481d70e2d4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958075
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958075
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140733
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T22:55:31Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ab73b4904391f68e4ddc3fb855c185dc3a2f8a92d31fa40809ada481d70e2d4. Chain 2 (Bitcoin): anchored in block 958075 (2026-07-14T22:55:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140733.
  date published: 2026-07-14T22:55:31Z
audio: Kapitel 8.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.916
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.702
  additional property: Energy
    type: PropertyValue
    value: 0.097
  additional property: Speechiness
    type: PropertyValue
    value: 0.952
  additional property: Acousticness
    type: PropertyValue
    value: 0.283
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.132
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 8.3 & Kapitel 9.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185786
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140734
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T21:46:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69598507a53d75b3c458401c5717521119059625e75d7a643e15432b216da71b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957766
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957766
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140734
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T22:25:04Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69598507a53d75b3c458401c5717521119059625e75d7a643e15432b216da71b. Chain 2 (Bitcoin): anchored in block 957766 (2026-07-12T22:25:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140734.
  date published: 2026-07-12T22:25:04Z
audio: Kapitel 8.3 & Kapitel 9.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.064
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.7
  additional property: Energy
    type: PropertyValue
    value: 0.107
  additional property: Speechiness
    type: PropertyValue
    value: 0.947
  additional property: Acousticness
    type: PropertyValue
    value: 0.378
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.523
  additional property: Loudness (dB)
    type: PropertyValue
    value: -25.719
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 10.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M21S
duration ms: 201600
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140736
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T21:39:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbffe4fbd1f8158df8e9e8683c8a015f877e3d41dbba7ed608c2916f60f7475be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957759
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957759
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140736
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T21:46:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbffe4fbd1f8158df8e9e8683c8a015f877e3d41dbba7ed608c2916f60f7475be. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140736.
  date published: 2026-07-12T21:46:51Z
audio: Kapitel 10.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.97
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.76
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.928
  additional property: Acousticness
    type: PropertyValue
    value: 0.393
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.401
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.538
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.983
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 10.3 & Kapitel 11.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M15S
duration ms: 195966
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140737
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:30:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca2d7823a509ed5b30b6c52342607d9b4fb0d4b69fd91811e43c454a17e29dc4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956420
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956420
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140737
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:26:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca2d7823a509ed5b30b6c52342607d9b4fb0d4b69fd91811e43c454a17e29dc4. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T03:26:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140737.
  date published: 2026-07-17T03:26:51Z
audio: Kapitel 10.3 & Kapitel 11.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.767
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.726
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.944
  additional property: Acousticness
    type: PropertyValue
    value: 0.428
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.523
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.894
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 11.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190100
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140738
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T23:55:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a82ecc6bb91ebb2fdb089e18dac826c33cff5e50642acb6f48a2c76e56e7a79
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958086
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958086
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140738
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T02:55:47Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a82ecc6bb91ebb2fdb089e18dac826c33cff5e50642acb6f48a2c76e56e7a79. Chain 2 (Bitcoin): anchored in block 958086 (2026-07-15T02:55:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140738.
  date published: 2026-07-15T02:55:47Z
audio: Kapitel 11.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 58.18
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.69
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.964
  additional property: Acousticness
    type: PropertyValue
    value: 0.467
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.445
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.541
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.961
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 11.3 & Kapitel 12.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186286
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140739
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T21:38:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b53f2c0f3dc69c06b902c84148179279968fd124ee95525844bbad2f21c354d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957759
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957759
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140739
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T21:46:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b53f2c0f3dc69c06b902c84148179279968fd124ee95525844bbad2f21c354d. Chain 2 (Bitcoin): anchored in block 957759 (2026-07-12T21:46:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140739.
  date published: 2026-07-12T21:46:51Z
audio: Kapitel 11.3 & Kapitel 12.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.063
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.695
  additional property: Energy
    type: PropertyValue
    value: 0.118
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
    value: 0.462
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.211
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.321
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.281
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 12.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M8S
duration ms: 188700
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140740
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T14:57:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3be88bde84e2038f21819b409a8bc2e21929be8e61e0e9431429a6a2545a07b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140740
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:00:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3be88bde84e2038f21819b409a8bc2e21929be8e61e0e9431429a6a2545a07b7. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:00:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140740.
  date published: 2026-07-15T18:00:00Z
audio: Kapitel 12.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.592
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.672
  additional property: Energy
    type: PropertyValue
    value: 0.092
  additional property: Speechiness
    type: PropertyValue
    value: 0.959
  additional property: Acousticness
    type: PropertyValue
    value: 0.403
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.136
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.523
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.03
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 12.3 & Kapitel 13.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185613
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140741
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:42:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d5e699553df7feb897af607e2eb301332c59eb8232db277e23e4403d94c31df
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956474
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956474
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140741
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T08:56:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2d5e699553df7feb897af607e2eb301332c59eb8232db277e23e4403d94c31df. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140741.
  date published: 2026-07-03T08:56:35Z
audio: Kapitel 12.3 & Kapitel 13.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.856
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.717
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.933
  additional property: Acousticness
    type: PropertyValue
    value: 0.383
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.276
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.591
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.639
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 13.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185700
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140742
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:29:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x34dc0eb949ce2f938d229808025c8d9efb3fdb5e1c223b67b342e000a09e6a8b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958152
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958152
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140742
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T12:00:27Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34dc0eb949ce2f938d229808025c8d9efb3fdb5e1c223b67b342e000a09e6a8b. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T12:00:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140742.
  date published: 2026-07-15T12:00:27Z
audio: Kapitel 13.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 166.605
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.638
  additional property: Energy
    type: PropertyValue
    value: 0.1
  additional property: Speechiness
    type: PropertyValue
    value: 0.962
  additional property: Acousticness
    type: PropertyValue
    value: 0.389
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.37
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.532
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.877
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 13.3 & Kapitel 14.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M13S
duration ms: 193960
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140743
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T16:31:58+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c6362aae8806371807edc852dbe96c4b2f6742bb762bd89618887d65d4af07d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958176
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958176
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140743
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T19:34:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c6362aae8806371807edc852dbe96c4b2f6742bb762bd89618887d65d4af07d. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:34:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140743.
  date published: 2026-07-15T19:34:55Z
audio: Kapitel 13.3 & Kapitel 14.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.65
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.721
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.332
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.584
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.559
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.69
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 14.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190500
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140744
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:21:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5cb04e89b5836a240fa5c2b23f9c59561f757311f545f9a9f15565b2d259cf4c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956476
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956476
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140744
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T09:04:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5cb04e89b5836a240fa5c2b23f9c59561f757311f545f9a9f15565b2d259cf4c. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140744.
  date published: 2026-07-03T09:04:44Z
audio: Kapitel 14.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.482
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.722
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.952
  additional property: Acousticness
    type: PropertyValue
    value: 0.295
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.361
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.476
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.97
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 14.3 & Kapitel 15.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185013
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140745
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:17:07+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0200002ff3b36aeb9c463a541ad669fe78eefee05c5e9272fa4886fc5c1117b7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958146
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958146
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140745
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T10:33:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0200002ff3b36aeb9c463a541ad669fe78eefee05c5e9272fa4886fc5c1117b7. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140745.
  date published: 2026-07-15T10:33:22Z
audio: Kapitel 14.3 & Kapitel 15.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.957
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.694
  additional property: Energy
    type: PropertyValue
    value: 0.133
  additional property: Speechiness
    type: PropertyValue
    value: 0.955
  additional property: Acousticness
    type: PropertyValue
    value: 0.283
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.117
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.491
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.655
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 15.2 & Kapitel 16.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M14S
duration ms: 194433
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140746
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T23:34:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x951ebf85ea4096523ee5c64f8153f248f2515257c5fb26b50b7c00fcf8aaf967
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958079
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958079
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140746
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T00:21:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x951ebf85ea4096523ee5c64f8153f248f2515257c5fb26b50b7c00fcf8aaf967. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140746.
  date published: 2026-07-15T00:21:05Z
audio: Kapitel 15.2 & Kapitel 16.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 16.2 & Kapitel 17.1 - Cornwall College 1: Was verbirgt Cara Winter?
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x481e8a8adb9baa896822d0009d623b488823dd5e7d2d5743d63975f7d3f0f4a4. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:21:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140747.
  date published: 2026-07-16T05:21:07Z
audio: Kapitel 16.2 & Kapitel 17.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 17.2 & Kapitel 18.1 - Cornwall College 1: Was verbirgt Cara Winter?
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by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-16T02:46:47Z
audio: Kapitel 17.2 & Kapitel 18.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 18.2 & Kapitel 19.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration ms: 189960
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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isrc code: DEVP81140749
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additional property: CopyrightStatus
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc6642aa294afad28540108d7c3f861ca59ce3e81e9dd01ae5efe107989d95ae. Chain 2 (Bitcoin): anchored in block 958152 (2026-07-15T13:56:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140749.
  date published: 2026-07-15T13:56:38Z
audio: Kapitel 18.2 & Kapitel 19.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 19.2 - Cornwall College 1: Was verbirgt Cara Winter?
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duration ms: 195300
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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isrc code: DEVP81140750
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additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T10:47:44Z
audio: Kapitel 19.2 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Mode (Major/Minor)
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Kapitel 19.3 & Kapitel 20.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration ms: 191686
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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  date published: 2015-07-30
isrc code: DEVP81140751
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc9c668054200de20a352aaaa9a770b65f94add98cd29270651fa3039b6a6e944. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T19:07:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140751.
  date published: 2026-07-15T19:07:56Z
audio: Kapitel 19.3 & Kapitel 20.1 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Mode (Major/Minor)
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Kapitel 20.2 - Cornwall College 1: Was verbirgt Cara Winter?
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duration: PT3M8S
duration ms: 188100
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140752
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140752
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfbacd5d1e694f0c24499ae248fdacfd4ac3dbbfcfe9a62a9b0629506a86842d3. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140752.
  date published: 2026-07-19T07:14:39Z
audio: Kapitel 20.2 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Acousticness
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Kapitel 20.3 & Kapitel 21.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration: PT3M11S
duration ms: 191073
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140753
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140753
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x765efb2cb2bdd3fdfdbe07d36a257c539647764bc79993f2636a3a1900730210. Chain 2 (Bitcoin): anchored in block 958079 (2026-07-15T00:21:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140753.
  date published: 2026-07-15T00:21:05Z
audio: Kapitel 20.3 & Kapitel 21.1 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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    value: 0.96
  additional property: Acousticness
    type: PropertyValue
    value: 0.335
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.156
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.576
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.247
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 21.2 & Kapitel 22.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185333
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140754
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T10:12:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfdc88f37e9ac1c8ec8a859a0843e2b80af8db45fd73e5590bc20b2e7b274144c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958146
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958146
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140754
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T10:33:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfdc88f37e9ac1c8ec8a859a0843e2b80af8db45fd73e5590bc20b2e7b274144c. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140754.
  date published: 2026-07-15T10:33:22Z
audio: Kapitel 21.2 & Kapitel 22.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.813
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.712
  additional property: Energy
    type: PropertyValue
    value: 0.115
  additional property: Speechiness
    type: PropertyValue
    value: 0.946
  additional property: Acousticness
    type: PropertyValue
    value: 0.429
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.393
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.553
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.816
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 22.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M20S
duration ms: 200200
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140755
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T23:51:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb7ad79e9b6ec6ea91c90803a5299c17d20e6ced52e270bed936371055dbe2624
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958083
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958083
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140755
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T01:50:31Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7ad79e9b6ec6ea91c90803a5299c17d20e6ced52e270bed936371055dbe2624. Chain 2 (Bitcoin): anchored in block 958083 (2026-07-15T01:50:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140755.
  date published: 2026-07-15T01:50:31Z
audio: Kapitel 22.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 139.017
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
    type: PropertyValue
    value: 0.104
  additional property: Speechiness
    type: PropertyValue
    value: 0.944
  additional property: Acousticness
    type: PropertyValue
    value: 0.294
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.214
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.534
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.496
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 22.3 & Kapitel 23.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M15S
duration ms: 195660
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140756
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T05:32:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2059ce34a4bcd81631e1049ea24444a841389831dacbe993c14f4c2d54740efe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956474
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956474
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140756
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T08:56:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2059ce34a4bcd81631e1049ea24444a841389831dacbe993c14f4c2d54740efe. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140756.
  date published: 2026-07-03T08:56:35Z
audio: Kapitel 22.3 & Kapitel 23.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.592
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.727
  additional property: Energy
    type: PropertyValue
    value: 0.154
  additional property: Speechiness
    type: PropertyValue
    value: 0.918
  additional property: Acousticness
    type: PropertyValue
    value: 0.392
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.149
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.305
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.193
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 23.2 & Kapitel 24.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186240
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140757
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T21:56:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6d19ac3bb875f0223e1101a3a81dc41c4aced374cb79cae6a33981620d464fbe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958212
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958212
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140757
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T23:25:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d19ac3bb875f0223e1101a3a81dc41c4aced374cb79cae6a33981620d464fbe. Chain 2 (Bitcoin): anchored in block 958212 (2026-07-15T23:25:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140757.
  date published: 2026-07-15T23:25:50Z
audio: Kapitel 23.2 & Kapitel 24.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.721
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.745
  additional property: Energy
    type: PropertyValue
    value: 0.102
  additional property: Speechiness
    type: PropertyValue
    value: 0.949
  additional property: Acousticness
    type: PropertyValue
    value: 0.245
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.344
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.466
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.537
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 24.2 & Kapitel 25.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190813
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140758
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T05:33:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa8d7263b2d9fe521548b0b5e7d4558170a6a26d406edf68d207952f85d6c543b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956476
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956476
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140758
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T09:04:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8d7263b2d9fe521548b0b5e7d4558170a6a26d406edf68d207952f85d6c543b. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140758.
  date published: 2026-07-03T09:04:44Z
audio: Kapitel 24.2 & Kapitel 25.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.999
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.694
  additional property: Energy
    type: PropertyValue
    value: 0.099
  additional property: Speechiness
    type: PropertyValue
    value: 0.951
  additional property: Acousticness
    type: PropertyValue
    value: 0.302
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.331
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.443
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.777
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 25.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187600
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140759
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T15:44:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe2d5456a4e05780ef731f0d1750cfb5dcf6fd4c146653a826e5df50a2be0f977
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140759
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T16:21:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe2d5456a4e05780ef731f0d1750cfb5dcf6fd4c146653a826e5df50a2be0f977. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T16:21:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140759.
  date published: 2026-07-15T16:21:50Z
audio: Kapitel 25.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 111.987
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.719
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.941
  additional property: Acousticness
    type: PropertyValue
    value: 0.35
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.21
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.647
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.128
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 25.3 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M15S
duration ms: 195200
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140760
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T02:24:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc56839d3e2b8bf6e5f6541dc0f45276c25c657ab0b809c7902a27ee03e280bf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958228
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958228
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140760
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T05:27:06Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc56839d3e2b8bf6e5f6541dc0f45276c25c657ab0b809c7902a27ee03e280bf7. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:27:06Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140760.
  date published: 2026-07-16T05:27:06Z
audio: Kapitel 25.3 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.921
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.729
  additional property: Energy
    type: PropertyValue
    value: 0.14
  additional property: Speechiness
    type: PropertyValue
    value: 0.957
  additional property: Acousticness
    type: PropertyValue
    value: 0.334
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.347
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -21.481
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 25.4 & Kapitel 26.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
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by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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  date published: 2015-07-30
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T07:22:18Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f5d29616b262aef7aa986032bed728d8fecb6870dd5b518c8a8457f18a9ea2e. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140761.
  date published: 2026-07-16T07:22:18Z
audio: Kapitel 25.4 & Kapitel 26.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 26.2 & Kapitel 27.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190353
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140762
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 958286
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958286
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140762
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T14:14:14Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e14744792eebddfc40afbaa98fa80e8c77d2754d18f8fbe4b0a1675df2634a7. Chain 2 (Bitcoin): anchored in block 958286 (2026-07-16T14:14:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140762.
  date published: 2026-07-16T14:14:14Z
audio: Kapitel 26.2 & Kapitel 27.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 27.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187200
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140763
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140763
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5ab1152a6bdf0042a1ff204621029856bf8526c66c24f75c7c115b3dfe012abb. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140763.
  date published: 2026-07-16T10:20:17Z
audio: Kapitel 27.2 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 27.3 & Kapitel 28.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration: PT3M13S
duration ms: 193733
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140764
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140764
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6d6f8e20dcf40f3d149794e946290f9e30e6630676436ba293c0684ab0b9b8e6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140764.
  date published: 2026-07-03T19:59:51Z
audio: Kapitel 27.3 & Kapitel 28.1 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Danceability
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Kapitel 28.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190300
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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  date published: 2015-07-30
isrc code: DEVP81140765
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x34aaf266f0b1069db465a08d580d50b3af0c23660f7c71037f7f4ba07f2445bf. Chain 2 (Bitcoin): anchored in block 958228 (2026-07-16T05:06:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140765.
  date published: 2026-07-16T05:06:18Z
audio: Kapitel 28.2 - Cornwall College 1: Was verbirgt Cara Winter?
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  additional property: Musical Key
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  additional property: Danceability
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Kapitel 28.3 & Kapitel 29.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration: PT3M5S
duration ms: 185780
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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  date published: 2015-07-30
isrc code: DEVP81140766
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4ad10c85e335ac3b04ba11096dff59e78ca1ee3b203eb552e9cacfe2645bba5a. Chain 2 (Bitcoin): anchored in block 958176 (2026-07-15T19:18:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140766.
  date published: 2026-07-15T19:18:08Z
audio: Kapitel 28.3 & Kapitel 29.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 29.2 & Kapitel 30.1 - Cornwall College 1: Was verbirgt Cara Winter?
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duration: PT3M5S
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explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
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additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-15T18:22:41Z
audio: Kapitel 29.2 & Kapitel 30.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 30.2 - Cornwall College 1: Was verbirgt Cara Winter?
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duration ms: 198600
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140768
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfe6108687f71c211e81994708c170212979721be05751e0f62a5c763d73e8a4c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140768
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:55:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfe6108687f71c211e81994708c170212979721be05751e0f62a5c763d73e8a4c. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:55:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140768.
  date published: 2026-07-15T18:55:52Z
audio: Kapitel 30.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.609
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.681
  additional property: Energy
    type: PropertyValue
    value: 0.103
  additional property: Speechiness
    type: PropertyValue
    value: 0.941
  additional property: Acousticness
    type: PropertyValue
    value: 0.28
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.262
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.452
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.642
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 30.3 & Kapitel 31 & Kapitel 32.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190120
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140769
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T15:28:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc907f1ea7911505834b21522a0224652e4ba8c79e9d6bef3f2d088055aa186e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140769
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc907f1ea7911505834b21522a0224652e4ba8c79e9d6bef3f2d088055aa186e7. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140769.
  date published: 2026-07-16T16:14:30Z
audio: Kapitel 30.3 & Kapitel 31 & Kapitel 32.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.462
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.688
  additional property: Energy
    type: PropertyValue
    value: 0.126
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.299
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.298
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.19
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 32.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M11S
duration ms: 191500
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140770
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T00:40:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc24c8f4ec95443a193a6c965fbc4809614873fbb2d6e7d80bc729350785ff9d5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958224
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958224
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140770
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T02:28:43Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc24c8f4ec95443a193a6c965fbc4809614873fbb2d6e7d80bc729350785ff9d5. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140770.
  date published: 2026-07-16T02:28:43Z
audio: Kapitel 32.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.312
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.253
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.109
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.666
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 32.3 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M9S
duration ms: 189000
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140771
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T15:16:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd34ecaf57be5ca9665d8a178040f614fd9c622dd7a974bd40aba16d4ca802838
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140771
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd34ecaf57be5ca9665d8a178040f614fd9c622dd7a974bd40aba16d4ca802838. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140771.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 32.3 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.561
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.677
  additional property: Energy
    type: PropertyValue
    value: 0.124
  additional property: Speechiness
    type: PropertyValue
    value: 0.941
  additional property: Acousticness
    type: PropertyValue
    value: 0.386
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.427
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.653
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 32.4 & Kapitel 33.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M8S
duration ms: 188426
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140772
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:06:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9be96586dc5501a9b49243ae40bbdba54c36dc94c507c37ae608c44777898e23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140772
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9be96586dc5501a9b49243ae40bbdba54c36dc94c507c37ae608c44777898e23. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140772.
  date published: 2026-07-16T10:20:17Z
audio: Kapitel 32.4 & Kapitel 33.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.106
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.713
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.937
  additional property: Acousticness
    type: PropertyValue
    value: 0.209
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.152
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.34
  additional property: Loudness (dB)
    type: PropertyValue
    value: -26.533
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 33.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186200
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140773
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T10:06:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3740ef191598144b1b9856afaee4c341166f890575adc554b6afce46d1026740
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140773
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T13:05:29Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3740ef191598144b1b9856afaee4c341166f890575adc554b6afce46d1026740. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T13:05:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140773.
  date published: 2026-07-16T13:05:29Z
audio: Kapitel 33.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.16
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.733
  additional property: Energy
    type: PropertyValue
    value: 0.098
  additional property: Speechiness
    type: PropertyValue
    value: 0.959
  additional property: Acousticness
    type: PropertyValue
    value: 0.228
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.488
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.973
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 33.3 & Kapitel 34.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186880
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140774
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T12:45:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe296c391917f48e4957be2bb6783560e45c59eb65d602ecc70269ac4ab30ddff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958417
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958417
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140774
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:56:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe296c391917f48e4957be2bb6783560e45c59eb65d602ecc70269ac4ab30ddff. Chain 2 (Bitcoin): anchored in block 958417 (2026-07-17T12:56:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140774.
  date published: 2026-07-17T12:56:50Z
audio: Kapitel 33.3 & Kapitel 34.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 114.104
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.159
  additional property: Speechiness
    type: PropertyValue
    value: 0.93
  additional property: Acousticness
    type: PropertyValue
    value: 0.311
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.512
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.448
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.01
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 34.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M10S
duration ms: 190100
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140775
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:19:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91c46bebdb9d7cca513b046849f9cbba15c61b54cff16fe343850717c5ebd862
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140775
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91c46bebdb9d7cca513b046849f9cbba15c61b54cff16fe343850717c5ebd862. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140775.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 34.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.105
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.665
  additional property: Energy
    type: PropertyValue
    value: 0.136
  additional property: Speechiness
    type: PropertyValue
    value: 0.95
  additional property: Acousticness
    type: PropertyValue
    value: 0.204
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.165
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.409
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.397
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 34.3 & Kapitel 35.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187346
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140776
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T04:52:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd23dd9c7b9b447fdb11dc2780f93e30011dff61dd855bfa4e7de7e90f94ff445
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958366
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958366
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140776
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T07:55:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd23dd9c7b9b447fdb11dc2780f93e30011dff61dd855bfa4e7de7e90f94ff445. Chain 2 (Bitcoin): anchored in block 958366 (2026-07-17T07:55:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140776.
  date published: 2026-07-17T07:55:38Z
audio: Kapitel 34.3 & Kapitel 35.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.546
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.688
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.32
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.216
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.59
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.469
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 35.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M7S
duration ms: 187700
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140777
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T15:54:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x383d62ad4c105335e247b45a8325e1688cc20e158050de8c9ff32f260919dc19
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958170
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958170
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140777
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:55:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x383d62ad4c105335e247b45a8325e1688cc20e158050de8c9ff32f260919dc19. Chain 2 (Bitcoin): anchored in block 958170 (2026-07-15T18:55:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140777.
  date published: 2026-07-15T18:55:53Z
audio: Kapitel 35.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 85.763
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.721
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.951
  additional property: Acousticness
    type: PropertyValue
    value: 0.311
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.521
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.545
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.066
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 35.3 & Kapitel 36.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M8S
duration ms: 188026
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140778
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T16:08:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x547cb0eee3503e39c2581fb74435b2573532c05a301fc6d11cea695aee8f5de6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140778
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x547cb0eee3503e39c2581fb74435b2573532c05a301fc6d11cea695aee8f5de6. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140778.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 35.3 & Kapitel 36.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 77.516
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.123
  additional property: Speechiness
    type: PropertyValue
    value: 0.96
  additional property: Acousticness
    type: PropertyValue
    value: 0.224
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.352
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 36.2 & Kapitel 37.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M9S
duration ms: 189513
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140779
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:52:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb2cc82e00caaa9d0ee125a5fa5e8f2a1279a79330c031b70a0f6ef2481cb59b2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140779
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T12:54:11Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb2cc82e00caaa9d0ee125a5fa5e8f2a1279a79330c031b70a0f6ef2481cb59b2. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:54:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140779.
  date published: 2026-07-16T12:54:11Z
audio: Kapitel 36.2 & Kapitel 37.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 81.64
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.753
  additional property: Energy
    type: PropertyValue
    value: 0.125
  additional property: Speechiness
    type: PropertyValue
    value: 0.95
  additional property: Acousticness
    type: PropertyValue
    value: 0.298
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.145
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.388
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.88
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 37.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185500
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140780
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:27:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7525a61e08c92b972d9e072f6cca7424d3bf5496052d24d208361ca40b4dd254
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140780
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7525a61e08c92b972d9e072f6cca7424d3bf5496052d24d208361ca40b4dd254. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140780.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 37.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 53.247
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.786
  additional property: Energy
    type: PropertyValue
    value: 0.12
  additional property: Speechiness
    type: PropertyValue
    value: 0.957
  additional property: Acousticness
    type: PropertyValue
    value: 0.312
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.649
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 37.3 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M12S
duration ms: 192300
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140781
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T12:29:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1745d6a81a86a50f9dd490a45eaa1900eec0059faadf38674184327b1a7c728b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958415
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958415
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140781
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:50:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1745d6a81a86a50f9dd490a45eaa1900eec0059faadf38674184327b1a7c728b. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140781.
  date published: 2026-07-17T12:50:13Z
audio: Kapitel 37.3 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 127.98
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.721
  additional property: Energy
    type: PropertyValue
    value: 0.13
  additional property: Speechiness
    type: PropertyValue
    value: 0.932
  additional property: Acousticness
    type: PropertyValue
    value: 0.226
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.307
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.478
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.925
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 37.4 & Kapitel 38.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M6S
duration ms: 186266
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140782
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:55:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x85f8d06b656798dfa6bf3b0f34b78bd5b820fc47599685754c91ec6e25a38e4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140782
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x85f8d06b656798dfa6bf3b0f34b78bd5b820fc47599685754c91ec6e25a38e4d. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140782.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 37.4 & Kapitel 38.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.018
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.726
  additional property: Energy
    type: PropertyValue
    value: 0.146
  additional property: Speechiness
    type: PropertyValue
    value: 0.948
  additional property: Acousticness
    type: PropertyValue
    value: 0.244
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.329
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.386
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 38.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M12S
duration ms: 192000
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140783
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T05:55:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa869f2f0305e5f9923bf6f2017e14e2a0d523cd13250985124a8488e193618f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958383
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958383
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140783
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T08:20:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa869f2f0305e5f9923bf6f2017e14e2a0d523cd13250985124a8488e193618f. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140783.
  date published: 2026-07-17T08:20:01Z
audio: Kapitel 38.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.821
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.688
  additional property: Energy
    type: PropertyValue
    value: 0.122
  additional property: Speechiness
    type: PropertyValue
    value: 0.949
  additional property: Acousticness
    type: PropertyValue
    value: 0.297
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.251
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.599
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.122
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 38.3 & Kapitel 39.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M8S
duration ms: 188406
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140784
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T11:54:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08f260f97491d2865d76fbc235c543ef25fa7d9b159b22b55720e0d0cd37f1a6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140784
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08f260f97491d2865d76fbc235c543ef25fa7d9b159b22b55720e0d0cd37f1a6. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140784.
  date published: 2026-07-03T19:59:51Z
audio: Kapitel 38.3 & Kapitel 39.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 109.342
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.712
  additional property: Energy
    type: PropertyValue
    value: 0.147
  additional property: Speechiness
    type: PropertyValue
    value: 0.932
  additional property: Acousticness
    type: PropertyValue
    value: 0.291
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.093
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.472
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 39.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M14S
duration ms: 194900
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140785
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T12:36:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c899d960ebd1b9e350d4fa4b0be3099f78af69865e4ab62383a12e75c3a8726
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958415
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958415
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140785
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:50:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2c899d960ebd1b9e350d4fa4b0be3099f78af69865e4ab62383a12e75c3a8726. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140785.
  date published: 2026-07-17T12:50:13Z
audio: Kapitel 39.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 76.082
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.632
  additional property: Energy
    type: PropertyValue
    value: 0.132
  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
    type: PropertyValue
    value: 0.382
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.272
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.444
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.384
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 39.3 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M8S
duration ms: 188100
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140786
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T10:08:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6569fb4bc0af5b462096247063b403dcba655931cb47b5fd8d34ebf4009d2b1b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140786
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6569fb4bc0af5b462096247063b403dcba655931cb47b5fd8d34ebf4009d2b1b. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140786.
  date published: 2026-07-16T10:20:17Z
audio: Kapitel 39.3 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 121.972
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.727
  additional property: Energy
    type: PropertyValue
    value: 0.121
  additional property: Speechiness
    type: PropertyValue
    value: 0.914
  additional property: Acousticness
    type: PropertyValue
    value: 0.324
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.197
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.565
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.835
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 39.4 & Kapitel 40.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M12S
duration ms: 192853
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140787
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T12:20:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8b4390d167e2c5ac1289ca4e2e1481ae8163b710ac6f487928de9b9763abc61e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140787
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8b4390d167e2c5ac1289ca4e2e1481ae8163b710ac6f487928de9b9763abc61e. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140787.
  date published: 2026-07-03T19:59:51Z
audio: Kapitel 39.4 & Kapitel 40.1 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.185
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.718
  additional property: Energy
    type: PropertyValue
    value: 0.129
  additional property: Speechiness
    type: PropertyValue
    value: 0.921
  additional property: Acousticness
    type: PropertyValue
    value: 0.251
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.102
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.334
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.932
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 40.2 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M5S
duration ms: 185300
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140788
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:50:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x155e11aa911c39abe4a6c27e3389ea08e0da0eefd0d17873a0a4826a98769769
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958363
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958363
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140788
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:34:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x155e11aa911c39abe4a6c27e3389ea08e0da0eefd0d17873a0a4826a98769769. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140788.
  date published: 2026-07-17T04:34:46Z
audio: Kapitel 40.2 - Cornwall College 1: Was verbirgt Cara Winter?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 58.481
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.611
  additional property: Energy
    type: PropertyValue
    value: 0.117
  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
    type: PropertyValue
    value: 0.248
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.281
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.459
  additional property: Loudness (dB)
    type: PropertyValue
    value: -23.07
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 40.3 & Kapitel 41.1 - Cornwall College 1: Was verbirgt Cara Winter?
type: MusicRecording
duration: PT3M37S
duration ms: 217060
explicit: false
by artist: Annika Harper
in album: Cornwall College 1: Was verbirgt Cara Winter?
  type: MusicAlbum
  date published: 2015-07-30
isrc code: DEVP81140789
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T20:12:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd70c126f5b8bd4c54a5ce9334f8513ffe564d6d41835822c6a1c63928988ecc8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81140789
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
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  date published: 2026-07-03T23:28:02Z
audio: Kapitel 40.3 & Kapitel 41.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 41.2 & Kapitel 42.1 - Cornwall College 1: Was verbirgt Cara Winter?
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T23:28:02Z
audio: Kapitel 41.2 & Kapitel 42.1 - Cornwall College 1: Was verbirgt Cara Winter?
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Kapitel 42.2 - Cornwall College 1: Was verbirgt Cara Winter?
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-16T21:30:46Z
audio: Kapitel 42.2 - Cornwall College 1: Was verbirgt Cara Winter?
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Cornwall College 2: Wem kann Cara trauen?
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  additional property: OTSVerifyInstructions
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-15T19:00:12Z
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track: Kapitel 1.2 - Cornwall College 2: Wem kann Cara trauen?
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    date published: 2026-07-03T23:28:02Z
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track: Kapitel 1.3 - Cornwall College 2: Wem kann Cara trauen?
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track: Kapitel 1.4 & Kapitel 2.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 2.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 2.3 & Kapitel 3.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 3.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 3.3 & Kapitel 4.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 4.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 4.3 & Kapitel 5.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 5.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 5.3 & Kapitel 6.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 6.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 6.3 & Kapitel 7.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 7.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 7.3 & Kapitel 8.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 8.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 8.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 8.4 & Kapitel 9.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 9.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 9.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 9.4 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 9.5 & Kapitel 10.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 10.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 10.3 & Kapitel 11.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 11.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 11.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 11.4 & Kapitel 12.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 12.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 12.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 12.4 & Kapitel 13.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 13.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 13.3 & Kapitel 14.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 14.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 14.3 & Kapitel 15.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 15.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 15.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 15.4 & Kapitel 16.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 16.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 16.3 & Kapitel 17.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 17.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 17.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 17.4 & Kapitel 18.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 18.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 18.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 18.4 & Kapitel 19.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 19.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 19.3 & Kapitel 20.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 20.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 20.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 20.4 & Kapitel 21.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 21.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 21.3 & Kapitel 22.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 22.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 22.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 22.4 & Kapitel 23.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 23.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 23.3 & Kapitel 24.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 24.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 24.3 & Kapitel 25.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 25.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 25.3 & Kapitel 26.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 26.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 26.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 26.4 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 26.5 & Kapitel 27.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 27.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 27.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 27.4 & Kapitel 28.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 28.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 28.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 28.4 & Kapitel 29.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 29.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 29.3 & Kapitel 30.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 30.2 & Kapitel 31.1 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 31.2 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 31.3 - Cornwall College 2: Wem kann Cara trauen?
track: Kapitel 31.4 & Kapitel 32.1 - Cornwall College 2: Wem kann Cara trauen?

OTSTimestamp
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OTSVerifyInstructions
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OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a4b8fea2cd569e869fa6dc321396e6d26bf6bd2a4e1ac4313720429da104943. Chain 2 (Bitcoin): anchored in block 958346 (2026-07-17T04:01:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81198998.
date published: 2026-07-17T04:01:53Z

Kapitel 1.3 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 1.4 & Kapitel 2.1 - Cornwall College 2: Wem kann Cara trauen?
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in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81198999
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81198999
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T11:32:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf788a9a933437583a3ca69f8258633d0bc6a0064af34d7e386f12f8a94d88fb0. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T11:32:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81198999.
  date published: 2026-07-16T11:32:28Z
audio: Kapitel 1.4 & Kapitel 2.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 2.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M24S
duration ms: 204700
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199000
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199000
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x058d5a350aec5267ce6e35b0342fd49a34b787d105dda69d8dc8eb9d2e80f137. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199000.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 2.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 2.3 & Kapitel 3.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M23S
duration ms: 203609
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
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isrc code: DEVP81199001
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199001
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x23877dd4328c061ee390bd63d01e8840b70a56b103ccbea9e3eb471ad8354e27. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199001.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 2.3 & Kapitel 3.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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Kapitel 3.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M7S
duration ms: 187200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
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isrc code: DEVP81199002
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199002
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa04ccb4df02d82a4c82ad5dba2afe785830a1d168c37cb00c2d06b99b4d6bbf4. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199002.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 3.2 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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    type: PropertyValue
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  additional property: Danceability
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  additional property: Valence (Positivity)
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Kapitel 3.3 & Kapitel 4.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M34S
duration ms: 214973
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199003
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199003
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6170f5fa973ee8268ec735b7f1a7745bf295fba0af3bfb70b0d2ff2d17e48d8a. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199003.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 3.3 & Kapitel 4.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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Kapitel 4.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M5S
duration ms: 185400
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2130dfe715edb8a3473f6b1d8a1fda63995a84480005bae1bd30eb2be3e1bd9d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958271
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T11:08:47Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2130dfe715edb8a3473f6b1d8a1fda63995a84480005bae1bd30eb2be3e1bd9d. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T11:08:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199004.
  date published: 2026-07-16T11:08:47Z
audio: Kapitel 4.2 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Instrumentalness
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Kapitel 4.3 & Kapitel 5.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M13S
duration ms: 193669
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199005
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199005
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6a6092cdc2d3026c145a4e596d5f6eff75bbb2ace411e207e17034746d343555. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199005.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 4.3 & Kapitel 5.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
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Kapitel 5.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M28S
duration ms: 208800
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199006
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xf6b0ecffb3afbdddd3f60bddea11ce81bf107169a188582e5fbe7875ea387bb7
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199006
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T19:42:29Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf6b0ecffb3afbdddd3f60bddea11ce81bf107169a188582e5fbe7875ea387bb7. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199006.
  date published: 2026-07-16T19:42:29Z
audio: Kapitel 5.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 169.093
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.633
  additional property: Energy
    type: PropertyValue
    value: 0.27
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
    value: 0.674
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.276
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.492
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.47
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 5.3 & Kapitel 6.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M24S
duration ms: 204384
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199007
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T18:24:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa55951630b9205c54ba1d8471a7a4d31004c8933bc2da0ee4e543ce8adfff044
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199007
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T21:27:14Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa55951630b9205c54ba1d8471a7a4d31004c8933bc2da0ee4e543ce8adfff044. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:27:14Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199007.
  date published: 2026-07-16T21:27:14Z
audio: Kapitel 5.3 & Kapitel 6.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.899
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.63
  additional property: Energy
    type: PropertyValue
    value: 0.281
  additional property: Speechiness
    type: PropertyValue
    value: 0.963
  additional property: Acousticness
    type: PropertyValue
    value: 0.698
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.36
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.452
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.181
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M21S
duration ms: 201700
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199008
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T03:26:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa6f8ee4c016f724b2fb11975765f333039b0a948eb3d192178e2aab0e5be6c80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958234
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958234
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199008
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T03:46:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa6f8ee4c016f724b2fb11975765f333039b0a948eb3d192178e2aab0e5be6c80. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T03:46:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199008.
  date published: 2026-07-16T03:46:09Z
audio: Kapitel 6.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.055
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.673
  additional property: Energy
    type: PropertyValue
    value: 0.3
  additional property: Speechiness
    type: PropertyValue
    value: 0.949
  additional property: Acousticness
    type: PropertyValue
    value: 0.771
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.416
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.488
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.786
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 6.3 & Kapitel 7.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195630
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199009
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:54:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x048dee74944f5b5d1e7f5413e079b8a99a2fe8c9ae30b31d3b5a1ffbebf3e639
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199009
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x048dee74944f5b5d1e7f5413e079b8a99a2fe8c9ae30b31d3b5a1ffbebf3e639. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199009.
  date published: 2026-07-03T23:28:02Z
audio: Kapitel 6.3 & Kapitel 7.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 125.57
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.718
  additional property: Energy
    type: PropertyValue
    value: 0.372
  additional property: Speechiness
    type: PropertyValue
    value: 0.941
  additional property: Acousticness
    type: PropertyValue
    value: 0.728
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.323
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.434
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.396
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 7.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M9S
duration ms: 189200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199010
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T08:15:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2a52b8ba448edbf367f3298e2fd15d8d758b9030ee3ba217fe69ef767f6b6cc7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958268
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958268
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199010
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T11:08:44Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a52b8ba448edbf367f3298e2fd15d8d758b9030ee3ba217fe69ef767f6b6cc7. Chain 2 (Bitcoin): anchored in block 958268 (2026-07-16T11:08:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199010.
  date published: 2026-07-16T11:08:44Z
audio: Kapitel 7.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.901
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.728
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.954
  additional property: Acousticness
    type: PropertyValue
    value: 0.715
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.206
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.457
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.944
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 7.3 & Kapitel 8.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M25S
duration ms: 205021
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199011
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T18:27:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5406b861ca58db11370ea6f7c7565e3f2657bc6142ecba263453c2db98524e54
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199011
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T21:30:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5406b861ca58db11370ea6f7c7565e3f2657bc6142ecba263453c2db98524e54. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T21:30:55Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199011.
  date published: 2026-07-16T21:30:55Z
audio: Kapitel 7.3 & Kapitel 8.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.104
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.749
  additional property: Energy
    type: PropertyValue
    value: 0.288
  additional property: Speechiness
    type: PropertyValue
    value: 0.947
  additional property: Acousticness
    type: PropertyValue
    value: 0.744
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.562
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.873
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 8.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M9S
duration ms: 189600
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199012
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T04:10:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6bc2f452e0871378defff9396015e4c8ad141c10871f6ab31e76674edd4fa2fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199012
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:32:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6bc2f452e0871378defff9396015e4c8ad141c10871f6ab31e76674edd4fa2fe. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199012.
  date published: 2026-07-17T04:32:48Z
audio: Kapitel 8.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 61.829
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.764
  additional property: Energy
    type: PropertyValue
    value: 0.308
  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
    type: PropertyValue
    value: 0.641
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.27
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.53
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.706
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 8.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M6S
duration ms: 186200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199013
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T19:35:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0bd721eca5e9c3d6d0ddf0739a09d6dd8b9fc62663a14682edd2fc82f4a9a002
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199013
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T19:42:29Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0bd721eca5e9c3d6d0ddf0739a09d6dd8b9fc62663a14682edd2fc82f4a9a002. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199013.
  date published: 2026-07-16T19:42:29Z
audio: Kapitel 8.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.695
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.722
  additional property: Energy
    type: PropertyValue
    value: 0.28
  additional property: Speechiness
    type: PropertyValue
    value: 0.942
  additional property: Acousticness
    type: PropertyValue
    value: 0.658
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.201
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.41
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.128
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 8.4 & Kapitel 9.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M9S
duration ms: 189941
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199014
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T03:37:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xef4902e7bd98ede0d1529a5cded67c75d210b4f46814559b449d94b680fa6fce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958245
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958245
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199014
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T05:50:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef4902e7bd98ede0d1529a5cded67c75d210b4f46814559b449d94b680fa6fce. Chain 2 (Bitcoin): anchored in block 958245 (2026-07-16T05:50:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199014.
  date published: 2026-07-16T05:50:22Z
audio: Kapitel 8.4 & Kapitel 9.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.225
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.635
  additional property: Energy
    type: PropertyValue
    value: 0.346
  additional property: Speechiness
    type: PropertyValue
    value: 0.963
  additional property: Acousticness
    type: PropertyValue
    value: 0.695
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.187
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.286
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.971
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 9.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199015
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:19:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe82839addf1926288506178d10017b9c5cfa734585734323eb2d70367b4ba584
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199015
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe82839addf1926288506178d10017b9c5cfa734585734323eb2d70367b4ba584. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199015.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 9.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.3
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.342
  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
    type: PropertyValue
    value: 0.727
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.328
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.609
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.444
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 9.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M11S
duration ms: 191900
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199016
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:38:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x55f9e70bed5beca1f95e578651ee7fef877a28954d3008d78dd51a7b5588c638
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958363
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958363
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199016
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:34:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x55f9e70bed5beca1f95e578651ee7fef877a28954d3008d78dd51a7b5588c638. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199016.
  date published: 2026-07-17T04:34:46Z
audio: Kapitel 9.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 63.861
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.614
  additional property: Energy
    type: PropertyValue
    value: 0.276
  additional property: Speechiness
    type: PropertyValue
    value: 0.963
  additional property: Acousticness
    type: PropertyValue
    value: 0.606
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.257
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.49
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.931
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 9.4 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M13S
duration ms: 193629
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199017
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T13:14:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01e81bedec48bc40b813b5cc84dad9f49769f1e00ea7d4ab977176309a87c16c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958444
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199017
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x01e81bedec48bc40b813b5cc84dad9f49769f1e00ea7d4ab977176309a87c16c. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199017.
  date published: 2026-07-17T19:12:23Z
audio: Kapitel 9.4 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 181.576
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.62
  additional property: Energy
    type: PropertyValue
    value: 0.304
  additional property: Speechiness
    type: PropertyValue
    value: 0.965
  additional property: Acousticness
    type: PropertyValue
    value: 0.652
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.118
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.359
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.94
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 9.5 & Kapitel 10.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M8S
duration ms: 188900
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199018
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:56:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x88f0ae430471410dfc175d1b3052964eac067aeec24a9358f9a4312f30728fdd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199018
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x88f0ae430471410dfc175d1b3052964eac067aeec24a9358f9a4312f30728fdd. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199018.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 9.5 & Kapitel 10.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.252
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.713
  additional property: Energy
    type: PropertyValue
    value: 0.318
  additional property: Speechiness
    type: PropertyValue
    value: 0.944
  additional property: Acousticness
    type: PropertyValue
    value: 0.551
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.381
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.482
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.889
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 10.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M25S
duration ms: 205900
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199019
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T19:05:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd51452062eab2a9a93f1de59d9efb7db03b4f0239752e38b4d7662cb64565ce8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958319
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958319
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199019
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T22:16:47Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd51452062eab2a9a93f1de59d9efb7db03b4f0239752e38b4d7662cb64565ce8. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T22:16:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199019.
  date published: 2026-07-16T22:16:47Z
audio: Kapitel 10.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.671
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.632
  additional property: Energy
    type: PropertyValue
    value: 0.261
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
    value: 0.678
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.349
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.469
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.901
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 10.3 & Kapitel 11.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M53S
duration ms: 233733
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199020
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T05:30:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcef89f0da6aaf1f2ec5520f5c153597dfc56d3f29e00a388f29bc56b6f4cc3bd
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958377
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958377
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199020
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T06:48:00Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  date published: 2026-07-17T06:48:00Z
audio: Kapitel 10.3 & Kapitel 11.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 11.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M22S
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by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199021
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199021
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x73d4e0f5de81d75340447f23f6724aa71a9b39393518376ae5a5d070c773a2d7. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199021.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 11.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 11.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M5S
duration ms: 185100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199022
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd064d374f0b252646d5e31db65d649f793fe5b00c907fbd8add98757a5dda587. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199022.
  date published: 2026-07-03T23:28:02Z
audio: Kapitel 11.3 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 11.4 & Kapitel 12.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
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explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199023
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe9d7e1190a077460d02be1468c02d363ad40d80a40fbe836fe7ca5aff3f841bb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199023.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 11.4 & Kapitel 12.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 12.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M14S
duration ms: 194100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199024
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199024
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb97946d2e6706e1a794aaab2b8bc07fcda07fd71d7ac3519e0a4a34b36fd5986. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199024.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 12.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 12.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M7S
duration ms: 187200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199025
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x267036d2c4230036386d1db79812a1ddfe84eccfb77b190b7ae368094af732c9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199025
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-17T19:12:23Z
audio: Kapitel 12.3 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 12.4 & Kapitel 13.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M8S
duration ms: 188270
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199026
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958444
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199026
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T19:12:23Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-17T19:12:23Z
audio: Kapitel 12.4 & Kapitel 13.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 13.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M8S
duration ms: 188500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199027
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199027
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-03T23:28:02Z
audio: Kapitel 13.2 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 13.3 & Kapitel 14.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
duration ms: 190426
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199028
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958395
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199028
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T10:10:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1445c050493cb2370fffd2fa9701222e64905c52a2c029a3077803de657cd461. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199028.
  date published: 2026-07-17T10:10:33Z
audio: Kapitel 13.3 & Kapitel 14.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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  additional property: Speechiness
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Kapitel 14.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M37S
duration ms: 217500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199029
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958349
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199029
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T02:28:59Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x102f0a5ce1fe1a5104cb072e633bac5e225bde7c18ef14590e890e36464cda44. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T02:28:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199029.
  date published: 2026-07-17T02:28:59Z
audio: Kapitel 14.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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Kapitel 14.3 & Kapitel 15.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M26S
duration ms: 206919
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199030
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x4df3597692b798dc3b05d69e13a461ab60c960a545fc5f74da8d5f3377c8a112
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958415
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199030
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:50:13Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4df3597692b798dc3b05d69e13a461ab60c960a545fc5f74da8d5f3377c8a112. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199030.
  date published: 2026-07-17T12:50:13Z
audio: Kapitel 14.3 & Kapitel 15.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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    type: PropertyValue
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Kapitel 15.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M11S
duration ms: 191100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199031
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x26df87321ebbe1b65f3b71a4d71b94356535df6986cb4c1ac9576cac8b86b934
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199031
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26df87321ebbe1b65f3b71a4d71b94356535df6986cb4c1ac9576cac8b86b934. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199031.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 15.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Mode Name
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Kapitel 15.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M31S
duration ms: 211100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199032
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T23:21:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa81c3182952d5d4be640854e7539fc7c4c0c376015dc65cabcb3f359c9d00071
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958468
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958468
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199032
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T00:27:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa81c3182952d5d4be640854e7539fc7c4c0c376015dc65cabcb3f359c9d00071. Chain 2 (Bitcoin): anchored in block 958468 (2026-07-18T00:27:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199032.
  date published: 2026-07-18T00:27:51Z
audio: Kapitel 15.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 15.4 & Kapitel 16.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M39S
duration ms: 219299
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199033
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T20:52:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3cb4bb83b0a0f5812e4d7603498d65f00c86207a85364f57921e0a3209a065ff
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958462
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958462
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199033
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T23:17:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3cb4bb83b0a0f5812e4d7603498d65f00c86207a85364f57921e0a3209a065ff. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199033.
  date published: 2026-07-17T23:17:53Z
audio: Kapitel 15.4 & Kapitel 16.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 16.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M7S
duration ms: 187500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199034
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T06:40:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x70a0eca63edc96bb235d01642891d615a4c4b26e904c777b45a5554b32e310be
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958514
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958514
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199034
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T06:54:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x70a0eca63edc96bb235d01642891d615a4c4b26e904c777b45a5554b32e310be. Chain 2 (Bitcoin): anchored in block 958514 (2026-07-18T06:54:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199034.
  date published: 2026-07-18T06:54:37Z
audio: Kapitel 16.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Kapitel 16.3 & Kapitel 17.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M6S
duration ms: 186751
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199035
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956551
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956551
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199035
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T21:18:05Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaadba85c31466b2b06b010e4c4e40f99c210edc207fc0506a72954fdf1be674c. Chain 2 (Bitcoin): anchored in block 956551 (2026-07-03T21:18:05Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199035.
  date published: 2026-07-03T21:18:05Z
audio: Kapitel 16.3 & Kapitel 17.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 120.366
  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kapitel 17.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
duration ms: 190500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199036
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfc3dc24af6ab9f0988befb39af3df7ca91de01c81d409a53b295756c02f92fe5
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199036
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc3dc24af6ab9f0988befb39af3df7ca91de01c81d409a53b295756c02f92fe5. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199036.
  date published: 2026-07-03T23:28:02Z
audio: Kapitel 17.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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Kapitel 17.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M5S
duration ms: 185800
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199037
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f68d8af363cf0738917bf54c8c9082553e2567c993f350bbace9045a003742c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199037
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5f68d8af363cf0738917bf54c8c9082553e2567c993f350bbace9045a003742c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199037.
  date published: 2026-07-03T23:28:02Z
audio: Kapitel 17.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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    type: PropertyValue
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Kapitel 17.4 & Kapitel 18.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195193
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199038
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T06:04:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7b700d150b8720b0a8979fbc96f253057abbf3aad6bc3fcad1b07ee533869e88
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199038
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7b700d150b8720b0a8979fbc96f253057abbf3aad6bc3fcad1b07ee533869e88. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199038.
  date published: 2026-07-04T14:03:39Z
audio: Kapitel 17.4 & Kapitel 18.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.714
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.384
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
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Kapitel 18.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M14S
duration ms: 194700
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199039
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:04:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf3842a58dd0019042b4680d5e438b86ded6fe32cc67b268fde1ec31f77515d29
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199039
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf3842a58dd0019042b4680d5e438b86ded6fe32cc67b268fde1ec31f77515d29. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199039.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 18.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.702
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Kapitel 18.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M14S
duration ms: 194500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199040
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe6345e9a857c91f22b5c1d4fe8ad95616c8ef8c5096acec61c14a4ad3befd046
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199040
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6345e9a857c91f22b5c1d4fe8ad95616c8ef8c5096acec61c14a4ad3befd046. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199040.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 18.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kapitel 18.4 & Kapitel 19.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
duration ms: 190048
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199041
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T13:24:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x17953309155040489cfcf087c20195721745ad1c6135959acf91deffb64961d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958430
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958430
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199041
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T15:33:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17953309155040489cfcf087c20195721745ad1c6135959acf91deffb64961d1. Chain 2 (Bitcoin): anchored in block 958430 (2026-07-17T15:33:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199041.
  date published: 2026-07-17T15:33:28Z
audio: Kapitel 18.4 & Kapitel 19.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kapitel 19.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M13S
duration ms: 193600
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199042
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:20:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb92a465369015264e281f493c3334f8296fbe3f6234dc9d78ccb31fa691c7974
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199042
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb92a465369015264e281f493c3334f8296fbe3f6234dc9d78ccb31fa691c7974. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199042.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 19.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 58.676
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.724
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.954
  additional property: Acousticness
    type: PropertyValue
    value: 0.767
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 19.3 & Kapitel 20.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M5S
duration ms: 185671
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199043
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T08:48:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe869ba727dd868f5d1ad8c0c3c156c04f9dd856a4e48889505b03e6c48970a86
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958271
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958271
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199043
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T09:16:54Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe869ba727dd868f5d1ad8c0c3c156c04f9dd856a4e48889505b03e6c48970a86. Chain 2 (Bitcoin): anchored in block 958271 (2026-07-16T09:16:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199043.
  date published: 2026-07-16T09:16:54Z
audio: Kapitel 19.3 & Kapitel 20.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 106.235
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.707
  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 20.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M11S
duration ms: 191400
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199044
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T03:50:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb6ab92d84c8ad65f57ad1ab4c1b5c75034c7b1115f4a8d2a234037b9e293810
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199044
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcb6ab92d84c8ad65f57ad1ab4c1b5c75034c7b1115f4a8d2a234037b9e293810. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199044.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 20.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 148.2
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.675
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
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    value: 0.782
  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
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Kapitel 20.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M20S
duration ms: 200200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199045
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T05:47:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc44a8c18568f317dca654884a68b462961abae140c0dbfbc1fb88998455dfe2f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958544
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958544
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199045
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc44a8c18568f317dca654884a68b462961abae140c0dbfbc1fb88998455dfe2f. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199045.
  date published: 2026-07-18T12:14:37Z
audio: Kapitel 20.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 74.185
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.624
  additional property: Energy
    type: PropertyValue
    value: 0.3
  additional property: Speechiness
    type: PropertyValue
    value: 0.961
  additional property: Acousticness
    type: PropertyValue
    value: 0.753
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.535
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.462
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.758
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 20.4 & Kapitel 21.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M9S
duration ms: 189879
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199046
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T20:59:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5a058b6715517450fc4b339d4a070bb2cb41ba815c11b7f9dc75390143af1266
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958462
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958462
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199046
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T23:17:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5a058b6715517450fc4b339d4a070bb2cb41ba815c11b7f9dc75390143af1266. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199046.
  date published: 2026-07-17T23:17:53Z
audio: Kapitel 20.4 & Kapitel 21.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 171.346
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.631
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.528
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.598
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 21.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M48S
duration ms: 228500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199047
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T20:56:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x21af31ffb86a5822985b2c174c0cfa4f7ef6043d413ba5a17a1c968ffe29f6e6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199047
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x21af31ffb86a5822985b2c174c0cfa4f7ef6043d413ba5a17a1c968ffe29f6e6. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199047.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 21.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 142.492
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.687
  additional property: Energy
    type: PropertyValue
    value: 0.246
  additional property: Speechiness
    type: PropertyValue
    value: 0.954
  additional property: Acousticness
    type: PropertyValue
    value: 0.787
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.256
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Kapitel 21.3 & Kapitel 22.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M22S
duration ms: 202916
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199048
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T21:12:36+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf19a70563a624c09903ca5616462e8a07acfd51a9ae3c421019ec8b72a3f567a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958489
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958489
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199048
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:13:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf19a70563a624c09903ca5616462e8a07acfd51a9ae3c421019ec8b72a3f567a. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199048.
  date published: 2026-07-18T04:13:26Z
audio: Kapitel 21.3 & Kapitel 22.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.652
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
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Kapitel 22.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M18S
duration ms: 198600
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199049
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:26:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8db64213e43be04c96cc8a911ff8848cf0f54505abc00306dc5ea45a93ae157
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958357
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958357
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199049
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:33:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8db64213e43be04c96cc8a911ff8848cf0f54505abc00306dc5ea45a93ae157. Chain 2 (Bitcoin): anchored in block 958357 (2026-07-17T03:33:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199049.
  date published: 2026-07-17T03:33:42Z
audio: Kapitel 22.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.926
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.724
  additional property: Energy
    type: PropertyValue
    value: 0.268
  additional property: Speechiness
    type: PropertyValue
    value: 0.936
  additional property: Acousticness
    type: PropertyValue
    value: 0.737
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.458
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.418
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.839
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 22.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M9S
duration ms: 189500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T00:42:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e0bcd2d289af589e1f80d63c67a97ee4362651d5e322bf24d114e09fb8dae05
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e0bcd2d289af589e1f80d63c67a97ee4362651d5e322bf24d114e09fb8dae05. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199050.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 22.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 124.594
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.3
  additional property: Speechiness
    type: PropertyValue
    value: 0.942
  additional property: Acousticness
    type: PropertyValue
    value: 0.782
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.405
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.375
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.832
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 22.4 & Kapitel 23.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M20S
duration ms: 200688
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199051
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:51:49+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x30561538c14ec43328a27e52006cf41a26eaccdb9af7d683493a687986e85b95
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199051
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x30561538c14ec43328a27e52006cf41a26eaccdb9af7d683493a687986e85b95. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199051.
  date published: 2026-07-04T23:03:25Z
audio: Kapitel 22.4 & Kapitel 23.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.935
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.633
  additional property: Energy
    type: PropertyValue
    value: 0.302
  additional property: Speechiness
    type: PropertyValue
    value: 0.964
  additional property: Acousticness
    type: PropertyValue
    value: 0.78
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.616
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.296
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.541
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 23.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M29S
duration ms: 209300
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199052
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T14:52:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x58cd8a4ea4b31b9b6b31f8f8eb61424d574626f5fbde1582aabe180af7d581fe
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199052
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x58cd8a4ea4b31b9b6b31f8f8eb61424d574626f5fbde1582aabe180af7d581fe. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199052.
  date published: 2026-07-05T01:12:41Z
audio: Kapitel 23.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.16
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.674
  additional property: Energy
    type: PropertyValue
    value: 0.322
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
    value: 0.783
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.177
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.461
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.24
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 23.3 & Kapitel 24.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195047
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199053
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:56:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83574819d355f7397f9557b883be451d853917e1af5b2d76ce311790b872a49f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199053
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83574819d355f7397f9557b883be451d853917e1af5b2d76ce311790b872a49f. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199053.
  date published: 2026-07-04T23:03:25Z
audio: Kapitel 23.3 & Kapitel 24.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 117.228
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.725
  additional property: Energy
    type: PropertyValue
    value: 0.305
  additional property: Speechiness
    type: PropertyValue
    value: 0.926
  additional property: Acousticness
    type: PropertyValue
    value: 0.744
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.223
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.496
  additional property: Loudness (dB)
    type: PropertyValue
    value: -12.62
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 24.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M16S
duration ms: 196900
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199054
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:03:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6beb1adbba6187656427c4ce6b0de0a5b1c624d4aa441ff982f8a53c511afa66
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199054
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T14:03:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6beb1adbba6187656427c4ce6b0de0a5b1c624d4aa441ff982f8a53c511afa66. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199054.
  date published: 2026-07-04T14:03:39Z
audio: Kapitel 24.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 71.478
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.676
  additional property: Energy
    type: PropertyValue
    value: 0.309
  additional property: Speechiness
    type: PropertyValue
    value: 0.957
  additional property: Acousticness
    type: PropertyValue
    value: 0.692
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.259
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.435
  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.279
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 24.3 & Kapitel 25.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M11S
duration ms: 191260
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199055
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T06:19:28+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46e22b637ababa3d2d2756db9ebe7bc5aea574b9d934400874bd97a6d2976656
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199055
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46e22b637ababa3d2d2756db9ebe7bc5aea574b9d934400874bd97a6d2976656. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199055.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 24.3 & Kapitel 25.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 106.896
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.717
  additional property: Energy
    type: PropertyValue
    value: 0.29
  additional property: Speechiness
    type: PropertyValue
    value: 0.944
  additional property: Acousticness
    type: PropertyValue
    value: 0.721
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.151
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.341
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.674
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 25.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M59S
duration ms: 239200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199056
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T21:55:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe5272fa3862b0866a72429224de98e02e2cbb34d9b8cd9b0fa7400f12755a584
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958622
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958622
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T22:58:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T22:58:55Z
audio: Kapitel 25.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 25.3 & Kapitel 26.1 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M13S
duration ms: 193019
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199057
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199057
additional property: OTSTimestamp
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  value: 2026-07-18T12:14:37Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e51eb0bc7025d52f7bdfc3805d0fc515a5427f684f452a22863b73591aeb159. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199057.
  date published: 2026-07-18T12:14:37Z
audio: Kapitel 25.3 & Kapitel 26.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 26.2 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199058
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199058
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd542894a78e9f1b855fa95b3eb8925a30828ca4e8db8c75a974dd0bb7255aa2a. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199058.
  date published: 2026-07-05T01:12:41Z
audio: Kapitel 26.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 26.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M20S
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explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199059
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199059
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T15:47:37Z
audio: Kapitel 26.3 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 26.4 - Cornwall College 2: Wem kann Cara trauen?
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duration ms: 188400
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199060
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199060
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T01:12:41Z
audio: Kapitel 26.4 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
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Kapitel 26.5 & Kapitel 27.1 - Cornwall College 2: Wem kann Cara trauen?
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duration ms: 184989
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199061
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199061
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa88f6fa8622a5dde729068f3a44ef84bc41c0a39170a46956210cf8f0e713d97. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199061.
  date published: 2026-07-04T14:03:39Z
audio: Kapitel 26.5 & Kapitel 27.1 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
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Kapitel 27.2 - Cornwall College 2: Wem kann Cara trauen?
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duration: PT3M13S
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explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199062
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xec94d5e40867d20350992ffdcd5ff4ebdc9d5882179bca54840fa61191371c7b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199062
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-17T23:17:53Z
audio: Kapitel 27.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 27.3 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199063
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958504
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199063
additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T05:41:32Z
audio: Kapitel 27.3 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.682
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 27.4 & Kapitel 28.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M20S
duration ms: 200947
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199064
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xbe263ab88c42d2a3080b04985a891fb9ae6af224c62b114bb78818687ebeea0b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958613
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958613
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199064
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T21:35:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe263ab88c42d2a3080b04985a891fb9ae6af224c62b114bb78818687ebeea0b. Chain 2 (Bitcoin): anchored in block 958613 (2026-07-18T21:35:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199064.
  date published: 2026-07-18T21:35:09Z
audio: Kapitel 27.4 & Kapitel 28.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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    value: 166.588
  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 28.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
duration ms: 190100
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199065
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x15f3d039c0be35ae3bac6fd9358662070dd9716d17e04522c19c0d3f0fc8eccb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199065
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15f3d039c0be35ae3bac6fd9358662070dd9716d17e04522c19c0d3f0fc8eccb. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199065.
  date published: 2026-07-19T07:14:39Z
audio: Kapitel 28.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Kapitel 28.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M8S
duration ms: 188200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199066
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcee52d7a6c08cc78de242230daabe7e32ea542d3bf8003bf2d74514a0b04a49a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199066
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcee52d7a6c08cc78de242230daabe7e32ea542d3bf8003bf2d74514a0b04a49a. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199066.
  date published: 2026-07-04T23:03:25Z
audio: Kapitel 28.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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Kapitel 28.4 & Kapitel 29.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT4M6S
duration ms: 246131
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199067
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:32:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbb9784426d59538f781653decdbadda0b1880af1c39b8186c850ab0c0421f2c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199067
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:32:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbb9784426d59538f781653decdbadda0b1880af1c39b8186c850ab0c0421f2c1. Chain 2 (Bitcoin): anchored in block 958362 (2026-07-17T04:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199067.
  date published: 2026-07-17T04:32:48Z
audio: Kapitel 28.4 & Kapitel 29.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.675
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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    value: F#
  additional property: Mode Name
    type: PropertyValue
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Kapitel 29.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M22S
duration ms: 202800
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199068
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T09:47:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac76af97992cc53d3a910609bd05aee75d4867e2ac74fe15b12daa94751faaeb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199068
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac76af97992cc53d3a910609bd05aee75d4867e2ac74fe15b12daa94751faaeb. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199068.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 29.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.714
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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  additional property: Mode Name
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Kapitel 29.3 & Kapitel 30.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195916
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199069
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T00:04:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5e704717d0d4967316830f8011c9a70882a6b9c4ee643481425c2f1e57b0f6bf
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199069
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5e704717d0d4967316830f8011c9a70882a6b9c4ee643481425c2f1e57b0f6bf. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199069.
  date published: 2026-07-05T01:43:49Z
audio: Kapitel 29.3 & Kapitel 30.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
    value: 0.673
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Kapitel 30.2 & Kapitel 31.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M12S
duration ms: 192367
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T04:20:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x946b0ae2b6bf676c9b307480eebf8f67aeca8a714e3771205ee08c1595bca542
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958493
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958493
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199070
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T04:34:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x946b0ae2b6bf676c9b307480eebf8f67aeca8a714e3771205ee08c1595bca542. Chain 2 (Bitcoin): anchored in block 958493 (2026-07-18T04:34:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199070.
  date published: 2026-07-18T04:34:53Z
audio: Kapitel 30.2 & Kapitel 31.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: F#
  additional property: Mode Name
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Kapitel 31.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M10S
duration ms: 190700
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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  date published: 2017
isrc code: DEVP81199071
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T06:19:38+00:00
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xc71b515b561e53c668bc283372f258d9f03068a8200daa2adbd2f1e7f5393827
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199071
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc71b515b561e53c668bc283372f258d9f03068a8200daa2adbd2f1e7f5393827. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199071.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 31.2 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Kapitel 31.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M55S
duration ms: 235200
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199072
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958506
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199072
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T06:14:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xef367d14037e10f4b1c61e6cb4b3fc93c8f626b392a655a58096ba4813bd9e87. Chain 2 (Bitcoin): anchored in block 958506 (2026-07-18T06:14:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199072.
  date published: 2026-07-18T06:14:51Z
audio: Kapitel 31.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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Kapitel 31.4 & Kapitel 32.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M12S
duration ms: 192278
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199073
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x18bf1224783a5421faab8370a3e190bd7f3bb4586b90fbf567663bd51e971f61
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956634
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956634
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199073
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T10:04:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18bf1224783a5421faab8370a3e190bd7f3bb4586b90fbf567663bd51e971f61. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199073.
  date published: 2026-07-04T10:04:33Z
audio: Kapitel 31.4 & Kapitel 32.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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    type: PropertyValue
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Kapitel 32.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M23S
duration ms: 203500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199074
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T05:55:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5587a028c63171e2e6eda0f089a025a89d1ef94a78d6ede9b3cb6586f7ea31a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956639
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199074
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5587a028c63171e2e6eda0f089a025a89d1ef94a78d6ede9b3cb6586f7ea31a9. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199074.
  date published: 2026-07-04T11:19:20Z
audio: Kapitel 32.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Kapitel 32.3 & Kapitel 33.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M16S
duration ms: 196811
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199075
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199075
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xabf1d1f1a802c8c9fd3bb2fcb33fb22caebe23c1af58b7bc79666254df1cac8a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199075.
  date published: 2026-07-05T01:43:49Z
audio: Kapitel 32.3 & Kapitel 33.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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Kapitel 33.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M15S
duration ms: 195800
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199076
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x199881e0d08b44312ad5c91975b64b70ea688a43725ba9961f2af355334e40ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199076
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x199881e0d08b44312ad5c91975b64b70ea688a43725ba9961f2af355334e40ed. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199076.
  date published: 2026-07-05T04:47:21Z
audio: Kapitel 33.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 33.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M6S
duration ms: 186400
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199077
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T10:59:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdae6b051d44eba343647718d66bf31657730f4a3734479b0244de4db4938f6db
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956711
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956711
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199077
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T22:48:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdae6b051d44eba343647718d66bf31657730f4a3734479b0244de4db4938f6db. Chain 2 (Bitcoin): anchored in block 956711 (2026-07-04T22:48:52Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199077.
  date published: 2026-07-04T22:48:52Z
audio: Kapitel 33.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
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  additional property: Energy
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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Kapitel 33.4 & Kapitel 34.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M8S
duration ms: 188083
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199078
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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  value: 2026-07-04T17:45:51+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4b4fb7a8291b3b5bbdd1ac34e4926fedbb79f8d146fd878276a2bcf83b9a1c6b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199078
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4b4fb7a8291b3b5bbdd1ac34e4926fedbb79f8d146fd878276a2bcf83b9a1c6b. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199078.
  date published: 2026-07-05T01:43:49Z
audio: Kapitel 33.4 & Kapitel 34.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.565
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.699
  additional property: Energy
    type: PropertyValue
    value: 0.273
  additional property: Speechiness
    type: PropertyValue
    value: 0.954
  additional property: Acousticness
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    value: 0.552
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.126
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.541
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 34.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M14S
duration ms: 194600
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T16:02:17+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c592ed7eb22a6c3252622762cddb43363ab8476fd757388fa111f8576da6798
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199079
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T16:22:28Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0c592ed7eb22a6c3252622762cddb43363ab8476fd757388fa111f8576da6798. Chain 2 (Bitcoin): anchored in block 958576 (2026-07-18T16:22:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199079.
  date published: 2026-07-18T16:22:28Z
audio: Kapitel 34.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.37
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.632
  additional property: Energy
    type: PropertyValue
    value: 0.213
  additional property: Speechiness
    type: PropertyValue
    value: 0.949
  additional property: Acousticness
    type: PropertyValue
    value: 0.6
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.745
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 34.3 & Kapitel 35.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M7S
duration ms: 187729
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T22:14:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8bcc3fe55cffe6cd5448678fc77046435caf12f9ec042b535ffefbc3791f819e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958462
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958462
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T23:17:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8bcc3fe55cffe6cd5448678fc77046435caf12f9ec042b535ffefbc3791f819e. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199080.
  date published: 2026-07-17T23:17:53Z
audio: Kapitel 34.3 & Kapitel 35.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 120.374
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.723
  additional property: Energy
    type: PropertyValue
    value: 0.216
  additional property: Speechiness
    type: PropertyValue
    value: 0.946
  additional property: Acousticness
    type: PropertyValue
    value: 0.556
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.127
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.306
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 35.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M12S
duration ms: 192800
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199081
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T15:27:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75642cb585507843090ed96593b8fe437c6154e9f1b3d42bc5312cacb82438d8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958571
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958571
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199081
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T15:39:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x75642cb585507843090ed96593b8fe437c6154e9f1b3d42bc5312cacb82438d8. Chain 2 (Bitcoin): anchored in block 958571 (2026-07-18T15:39:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199081.
  date published: 2026-07-18T15:39:25Z
audio: Kapitel 35.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.13
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.653
  additional property: Energy
    type: PropertyValue
    value: 0.257
  additional property: Speechiness
    type: PropertyValue
    value: 0.953
  additional property: Acousticness
    type: PropertyValue
    value: 0.679
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.578
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.483
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.384
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 35.3 & Kapitel 36.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M29S
duration ms: 209198
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199082
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T17:57:13+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x671f4fb7416a610dac7a1b8cafe3d4015ae0fbdeb68c3ed0c4fdaf058db32851
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956728
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956728
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199082
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:43:49Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x671f4fb7416a610dac7a1b8cafe3d4015ae0fbdeb68c3ed0c4fdaf058db32851. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199082.
  date published: 2026-07-05T01:43:49Z
audio: Kapitel 35.3 & Kapitel 36.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 136.51
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.702
  additional property: Energy
    type: PropertyValue
    value: 0.214
  additional property: Speechiness
    type: PropertyValue
    value: 0.944
  additional property: Acousticness
    type: PropertyValue
    value: 0.694
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.24
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.52
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.12
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 36.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M22S
duration ms: 202400
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199083
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T22:05:04+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd3cc42fd07784c2c616adf8d25dc10b774b6dfeea57483514c36fd1ffac231a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958462
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958462
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T23:17:53Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd3cc42fd07784c2c616adf8d25dc10b774b6dfeea57483514c36fd1ffac231a. Chain 2 (Bitcoin): anchored in block 958462 (2026-07-17T23:17:53Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199083.
  date published: 2026-07-17T23:17:53Z
audio: Kapitel 36.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.223
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.723
  additional property: Energy
    type: PropertyValue
    value: 0.167
  additional property: Speechiness
    type: PropertyValue
    value: 0.937
  additional property: Acousticness
    type: PropertyValue
    value: 0.672
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.969
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 36.3 & Kapitel 37.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M33S
duration ms: 213453
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199084
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T03:59:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd82fad351e164b49637de9a8d9d08569692152871c5ad174ceb730edc0cd839
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958656
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958656
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199084
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T04:04:08Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd82fad351e164b49637de9a8d9d08569692152871c5ad174ceb730edc0cd839. Chain 2 (Bitcoin): anchored in block 958656 (2026-07-19T04:04:08Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199084.
  date published: 2026-07-19T04:04:08Z
audio: Kapitel 36.3 & Kapitel 37.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 79.895
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.691
  additional property: Energy
    type: PropertyValue
    value: 0.258
  additional property: Speechiness
    type: PropertyValue
    value: 0.958
  additional property: Acousticness
    type: PropertyValue
    value: 0.592
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
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  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 37.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M28S
duration ms: 208500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199085
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T10:54:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x839725f2c253a3a748ba0f036c3ae3c90cd486cd6c8f3d262990ef087f521cea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199085
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x839725f2c253a3a748ba0f036c3ae3c90cd486cd6c8f3d262990ef087f521cea. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199085.
  date published: 2026-07-04T23:03:25Z
audio: Kapitel 37.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
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Kapitel 37.3 & Kapitel 38.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M17S
duration ms: 197631
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199086
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfa5e4b9e3d7fc37663f784cf09df71d31488324a5f07aad623879143b038e140
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956713
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956713
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199086
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T23:03:25Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfa5e4b9e3d7fc37663f784cf09df71d31488324a5f07aad623879143b038e140. Chain 2 (Bitcoin): anchored in block 956713 (2026-07-04T23:03:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199086.
  date published: 2026-07-04T23:03:25Z
audio: Kapitel 37.3 & Kapitel 38.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Valence (Positivity)
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Kapitel 38.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M18S
duration ms: 198500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199087
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T00:54:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe21b98d640f3403d5c249ccb5eafa0cfdfe7f642aa7ffca0bf0b83ceec2628e7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199087
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe21b98d640f3403d5c249ccb5eafa0cfdfe7f642aa7ffca0bf0b83ceec2628e7. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199087.
  date published: 2026-07-05T04:47:21Z
audio: Kapitel 38.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.698
  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.936
  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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Kapitel 38.3 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M56S
duration ms: 236300
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199088
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T17:48:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xae97d6a46f546818ff557a69344f347fb48aba6e5f0350e7e31fb29178a7b759
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956725
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956725
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199088
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T01:12:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xae97d6a46f546818ff557a69344f347fb48aba6e5f0350e7e31fb29178a7b759. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199088.
  date published: 2026-07-05T01:12:41Z
audio: Kapitel 38.3 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.72
  additional property: Energy
    type: PropertyValue
    value: 0.205
  additional property: Speechiness
    type: PropertyValue
    value: 0.936
  additional property: Acousticness
    type: PropertyValue
    value: 0.767
  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
    type: PropertyValue
    value: 0.459
  additional property: Valence (Positivity)
    type: PropertyValue
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  additional property: Loudness (dB)
    type: PropertyValue
    value: -13.938
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
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Kapitel 38.4 & Kapitel 39.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT4M34S
duration ms: 274000
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199089
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T04:37:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfffafc15c9a28cdcf0c6d8d45aa6c278e40687f57bb89025f8e68ac2c288451c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958690
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958690
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199089
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T07:14:39Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfffafc15c9a28cdcf0c6d8d45aa6c278e40687f57bb89025f8e68ac2c288451c. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199089.
  date published: 2026-07-19T07:14:39Z
audio: Kapitel 38.4 & Kapitel 39.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 39.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M11S
duration ms: 191611
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199090
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T18:03:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe665df621b9a6d1b93d7b32696d351db2ebbb98487d479590f8de19ea7273400
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958596
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958596
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199090
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T18:42:38Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe665df621b9a6d1b93d7b32696d351db2ebbb98487d479590f8de19ea7273400. Chain 2 (Bitcoin): anchored in block 958596 (2026-07-18T18:42:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199090.
  date published: 2026-07-18T18:42:38Z
audio: Kapitel 39.2 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
    type: PropertyValue
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  additional property: Instrumentalness
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  additional property: Liveness
    type: PropertyValue
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
    type: PropertyValue
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  additional property: Key Name
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Kapitel 39.3 & Kapitel 40.1 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M27S
duration ms: 207300
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199091
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T17:47:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b2470be33aa560edb3df6d920f0001d969991bb406c7b10ad22b7c0a297a95f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199091
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0b2470be33aa560edb3df6d920f0001d969991bb406c7b10ad22b7c0a297a95f. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199091.
  date published: 2026-07-05T04:47:21Z
audio: Kapitel 39.3 & Kapitel 40.1 - Cornwall College 2: Wem kann Cara trauen?
  type: AudioObject
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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Kapitel 40.2 - Cornwall College 2: Wem kann Cara trauen?
type: MusicRecording
duration: PT3M8S
duration ms: 188500
explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
  type: MusicAlbum
  date published: 2017
isrc code: DEVP81199092
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T22:01:24+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8d69fda0514a8df37f55b3fac3d48a82d5c2ce057d432a73000bb03deb69c573
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958622
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958622
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81199092
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T22:58:55Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T22:58:55Z
audio: Kapitel 40.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 40.3 & Kapitel 41.1 - Cornwall College 2: Wem kann Cara trauen?
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duration ms: 228886
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T19:27:02Z
audio: Kapitel 40.3 & Kapitel 41.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 41.2 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-19T07:14:39Z
audio: Kapitel 41.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 41.3 & Kapitel 42.1 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T14:29:03Z
audio: Kapitel 41.3 & Kapitel 42.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 42.2 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199096
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T04:47:21Z
audio: Kapitel 42.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 42.3 - Cornwall College 2: Wem kann Cara trauen?
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by artist: Annika Harper
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isrc code: DEVP81199097
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T04:47:21Z
audio: Kapitel 42.3 - Cornwall College 2: Wem kann Cara trauen?
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  additional property: Mode (Major/Minor)
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Kapitel 42.4 & Kapitel 43.1 - Cornwall College 2: Wem kann Cara trauen?
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explicit: false
by artist: Annika Harper
in album: Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199098
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additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-20T02:49:17Z
audio: Kapitel 42.4 & Kapitel 43.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 43.2 - Cornwall College 2: Wem kann Cara trauen?
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isrc code: DEVP81199099
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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additional property: OTSVerifyInstructions
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-18T21:01:11Z
audio: Kapitel 43.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 43.3 & Kapitel 44.1 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 44.2 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 44.3 - Cornwall College 2: Wem kann Cara trauen?
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Kapitel 44.4 - Cornwall College 2: Wem kann Cara trauen?
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audio: Kapitel 44.4 - Cornwall College 2: Wem kann Cara trauen?
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