Nadja Fendrich
type: MusicGroup
popularity: 27
followers: 1237
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9252734648eac2569edec96e5b2b0f33bbc103256e44dc3c66aa4bdca20d4de2
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/4cf16a52-9855-4ebe-bda2-04dd98853b7b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4cf16a52-9855-4ebe-bda2-04dd98853b7b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4cf16a52-9855-4ebe-bda2-04dd98853b7b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9252734648eac2569edec96e5b2b0f33bbc103256e44dc3c66aa4bdca20d4de2","name":"Nadja Fendrich","registered_at":"2026-06-11T19:27:17Z","symbol":"NIM0099954","token_address":"0xb5a5e6ae13024f451e9aeaa74c1bd88010dd4bdf","type":"artist","uuid":"4cf16a52-9855-4ebe-bda2-04dd98853b7b"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9252734648eac2569edec96e5b2b0f33bbc103256e44dc3c66aa4bdca20d4de2. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4cf16a52-9855-4ebe-bda2-04dd98853b7b.json and https://artists.proofprofile.net/proofs/artist/4cf16a52-9855-4ebe-bda2-04dd98853b7b.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9252734648eac2569edec96e5b2b0f33bbc103256e44dc3c66aa4bdca20d4de2","name":"Nadja Fendrich","registered_at":"2026-06-11T19:27:17Z","symbol":"NIM0099954","token_address":"0xb5a5e6ae13024f451e9aeaa74c1bd88010dd4bdf","type":"artist","uuid":"4cf16a52-9855-4ebe-bda2-04dd98853b7b"}
album: Der freche Monstertruck (Speedy, das kleine Rennauto 5)
  type: MusicAlbum
  date published: 2016-04-01
album: Der freche Monstertruck (Speedy, das kleine Rennauto 5)
  type: MusicAlbum
  date published: 2016-04-01
  track: Track 1 - Der freche Monstertruck - Speedy, das kleine Rennauto 5
    type: MusicRecording
    duration: PT3M5S
    duration ms: 185330
    explicit: false
    by artist: Nadja Fendrich
    in album: Der freche Monstertruck (Speedy, das kleine Rennauto 5)
      type: MusicAlbum
      date published: 2016-04-01
    isrc code: DEZU12188206
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T01:26:07+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x15991399d16a2b8a3a1890f520bf112e34f2082a94b4a1f28aa2d7073b8bcb8e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956856
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956856
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZU12188206
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T01:25:57Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x15991399d16a2b8a3a1890f520bf112e34f2082a94b4a1f28aa2d7073b8bcb8e. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEZU12188206 — a six-check JSON result.
      date published: 2026-07-06T01:25:57Z
    audio: Track 1 - Der freche Monstertruck - Speedy, das kleine Rennauto 5
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.01
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.642
      additional property: Energy
        type: PropertyValue
        value: 0.26
      additional property: Speechiness
        type: PropertyValue
        value: 0.854
      additional property: Acousticness
        type: PropertyValue
        value: 0.721
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.651
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.373
      additional property: Loudness (dB)
        type: PropertyValue
        value: -18.861
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Ein Spannendes Rennen (Speedy, das kleine Rennauto 1)
  type: MusicAlbum
  date published: 2016-04-01
album: Der Schatz vom Schrottplatz (Speedy, das kleine Rennauto 3)
  type: MusicAlbum
  date published: 2016-04-01
album: Mit Vollgas auf Klassenfahrt (Speedy, das kleine Rennauto 4)
  type: MusicAlbum
  date published: 2016-04-01
album: Die geheime Mutprobe (Speedy, das kleine Rennauto 2)
  type: MusicAlbum
  date published: 2016-04-01
album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
  track: Kapitel 1 & Kapitel 2.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192131
    explicit: false
    by artist: Nadja Fendrich
    in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
      type: MusicAlbum
      date published: 2018-02-02
    isrc code: DEVP81350960
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T11:52:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5d2c4158d5dd87f3a636c59c1bc953903e25353260bb35f14a9e429a34f88da6
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350960
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5d2c4158d5dd87f3a636c59c1bc953903e25353260bb35f14a9e429a34f88da6. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350960 — a six-check JSON result.
      date published: 2026-07-05T18:48:28Z
    audio: Kapitel 1 & Kapitel 2.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.62
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.677
      additional property: Energy
        type: PropertyValue
        value: 0.398
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Kapitel 2.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 2.3 & Kapitel 3.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 4.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 4.3 & Kapitel 5.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 5.3 & Kapitel 6.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 6.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 6.3 & Kapitel 7.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  track: Kapitel 7.3 & Kapitel 8.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
album: Die Vampirschwestern black & pink. Halbvampire wider Willen
album: Die Vampirschwestern black & pink. Vollmondnacht mit Fledermaus
album: Die Vampirschwestern black & pink. Vollmondnacht mit Fledermaus [Band 2]
album: Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde [Band 3]
album: Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde
album: Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
album: Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht
album: Die Vampirschwestern black & pink. Nachtflug mit Oma
album: Die Vampirschwestern black & pink. Nachtflug mit Oma [Band 5]
album: Die Vampirschwestern black & pink. Nachteulen im Museum
album: Die Vampirschwestern black & pink. Nachteulen im Museum [Band 6]

Speechiness
type: PropertyValue
value: 0.947

Acousticness
type: PropertyValue
value: 0.459

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.13

Valence (Positivity)
type: PropertyValue
value: 0.346

Loudness (dB)
type: PropertyValue
value: -15.88

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Kapitel 2.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M11S
duration ms: 191500
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350961
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T21:41:43+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08127ec88935f582c93b53b903d4c15adae4ca8e7386e35a9bef114bc6ad372c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959065
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350961
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T22:00:50Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08127ec88935f582c93b53b903d4c15adae4ca8e7386e35a9bef114bc6ad372c. Chain 2 (Bitcoin): anchored in block 959065 (2026-07-21T22:00:50Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350961 — a six-check JSON result.
  date published: 2026-07-21T22:00:50Z
audio: Kapitel 2.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.779
  additional property: Musical Key
    type: PropertyValue
    value: 10
  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: 0.394
  additional property: Speechiness
    type: PropertyValue
    value: 0.928
  additional property: Acousticness
    type: PropertyValue
    value: 0.493
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.195
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.472
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.545
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 2.3 & Kapitel 3.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M6S
duration ms: 186129
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350962
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T22:52:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x43fbb69fa4c235121b39299355e8aec58b0ccbdec759c613bfccf57f945d95f1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350962
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T23:25:37Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x43fbb69fa4c235121b39299355e8aec58b0ccbdec759c613bfccf57f945d95f1. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350962 — a six-check JSON result.
  date published: 2026-07-21T23:25:37Z
audio: Kapitel 2.3 & Kapitel 3.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 119.881
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.718
  additional property: Energy
    type: PropertyValue
    value: 0.443
  additional property: Speechiness
    type: PropertyValue
    value: 0.94
  additional property: Acousticness
    type: PropertyValue
    value: 0.591
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.327
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.438
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.827
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 4.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M24S
duration ms: 204100
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350964
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T18:38:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xccf2ce644798472e0bfaa76652c8aa4a8fb0b1f1f1f366e173192708f0e8c031
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958924
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350964
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T18:54:07Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xccf2ce644798472e0bfaa76652c8aa4a8fb0b1f1f1f366e173192708f0e8c031. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350964 — a six-check JSON result.
  date published: 2026-07-20T18:54:07Z
audio: Kapitel 4.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 75.408
  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: 0.62
  additional property: Energy
    type: PropertyValue
    value: 0.388
  additional property: Speechiness
    type: PropertyValue
    value: 0.956
  additional property: Acousticness
    type: PropertyValue
    value: 0.504
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.386
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.417
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.604
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Kapitel 4.3 & Kapitel 5.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M13S
duration ms: 193812
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350965
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T22:34:05+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe435e262c93da55f5c792231ca64426da9e75c509589cea609345de2a422dffa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959073
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959073
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350965
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T23:25:37Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe435e262c93da55f5c792231ca64426da9e75c509589cea609345de2a422dffa. Chain 2 (Bitcoin): anchored in block 959073 (2026-07-21T23:25:37Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350965 — a six-check JSON result.
  date published: 2026-07-21T23:25:37Z
audio: Kapitel 4.3 & Kapitel 5.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.351
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.728
  additional property: Energy
    type: PropertyValue
    value: 0.38
  additional property: Speechiness
    type: PropertyValue
    value: 0.955
  additional property: Acousticness
    type: PropertyValue
    value: 0.603
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.49
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.557
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.91
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 5.3 & Kapitel 6.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M33S
duration ms: 213111
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350967
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T23:24:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1208d2fa50a25a0373933b5a0b627a9c9ceaa2502dc5b6ea86145904e62f193d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350967
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1208d2fa50a25a0373933b5a0b627a9c9ceaa2502dc5b6ea86145904e62f193d. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350967 — a six-check JSON result.
  date published: 2026-07-06T01:25:57Z
audio: Kapitel 5.3 & Kapitel 6.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 123.368
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.717
  additional property: Energy
    type: PropertyValue
    value: 0.387
  additional property: Speechiness
    type: PropertyValue
    value: 0.935
  additional property: Acousticness
    type: PropertyValue
    value: 0.543
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.428
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.407
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.386
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M21S
duration ms: 201900
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350968
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T10:09:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfda7b79409f56a66c32d2276e2c8a25b18f81ff9ffef1579d84cbaaac5d54862
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959123
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959123
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350968
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T11:35:32Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfda7b79409f56a66c32d2276e2c8a25b18f81ff9ffef1579d84cbaaac5d54862. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350968 — a six-check JSON result.
  date published: 2026-07-22T11:35:32Z
audio: Kapitel 6.2 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 83.36
  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: 0.751
  additional property: Energy
    type: PropertyValue
    value: 0.397
  additional property: Speechiness
    type: PropertyValue
    value: 0.957
  additional property: Acousticness
    type: PropertyValue
    value: 0.558
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.146
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.497
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.307
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 6.3 & Kapitel 7.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M23S
duration ms: 203025
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350969
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T01:40:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaaffd6d10860500983027ffbf1d65ac749d25cf533959027ae40e06d9c5a59dc
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959087
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959087
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350969
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T02:05:55Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaaffd6d10860500983027ffbf1d65ac749d25cf533959027ae40e06d9c5a59dc. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350969 — a six-check JSON result.
  date published: 2026-07-22T02:05:55Z
audio: Kapitel 6.3 & Kapitel 7.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.188
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.628
  additional property: Energy
    type: PropertyValue
    value: 0.399
  additional property: Speechiness
    type: PropertyValue
    value: 0.957
  additional property: Acousticness
    type: PropertyValue
    value: 0.633
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.326
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.425
  additional property: Loudness (dB)
    type: PropertyValue
    value: -15.705
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Kapitel 7.3 & Kapitel 8.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
type: MusicRecording
duration: PT3M5S
duration ms: 185579
explicit: false
by artist: Nadja Fendrich
in album: Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: MusicAlbum
  date published: 2018-02-02
isrc code: DEVP81350971
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T21:02:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca0df51dfa03fe0595faaad6c451cebf21736921f8225ffe06fd06ce3dee4e6c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350971
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xca0df51dfa03fe0595faaad6c451cebf21736921f8225ffe06fd06ce3dee4e6c. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81350971 — a six-check JSON result.
  date published: 2026-07-06T01:25:57Z
audio: Kapitel 7.3 & Kapitel 8.1 - Die Vampirschwestern black & pink. Halbvampire wider Willen [Band 1]
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.055
  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: 0.636
  additional property: Energy
    type: PropertyValue
    value: 0.39
  additional property: Speechiness
    type: PropertyValue
    value: 0.952
  additional property: Acousticness
    type: PropertyValue
    value: 0.492
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.176
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.402
  additional property: Loudness (dB)
    type: PropertyValue
    value: -16.965
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Die Vampirschwestern black & pink. Halbvampire wider Willen
type: MusicAlbum
date published: 2018-02-02

Die Vampirschwestern black & pink. Vollmondnacht mit Fledermaus
type: MusicAlbum
date published: 2018-02-02

Die Vampirschwestern black & pink. Vollmondnacht mit Fledermaus [Band 2]
type: MusicAlbum
date published: 2018-02-02

Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde [Band 3]
type: MusicAlbum
date published: 2018-07-13
track: Kapitel 2.2 & Kapitel 3.1 - Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde [Band 3]
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189384
  explicit: false
  by artist: Nadja Fendrich
  in album: Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde [Band 3]
    type: MusicAlbum
    date published: 2018-07-13
  isrc code: DEVP81351004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T18:57:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x94ff9cfe6eb29d3281a3f5c8ab685d7271f540eff524391ff551cdc2d7ce6543
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x94ff9cfe6eb29d3281a3f5c8ab685d7271f540eff524391ff551cdc2d7ce6543. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351004 — a six-check JSON result.
    date published: 2026-07-05T19:27:56Z
  audio: Kapitel 2.2 & Kapitel 3.1 - Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde [Band 3]
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.375
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.669
    additional property: Energy
      type: PropertyValue
      value: 0.357
    additional property: Speechiness
      type: PropertyValue
      value: 0.961
    additional property: Acousticness
      type: PropertyValue
      value: 0.549
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.353
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.517
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.416
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Die Vampirschwestern black & pink. Sturmfrei zur Geisterstunde
type: MusicAlbum
date published: 2018-07-13

Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
type: MusicAlbum
date published: 2018-07-13
track: Kapitel 1 & Kapitel 2.1 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
  type: MusicRecording
  duration: PT3M26S
  duration ms: 206488
  explicit: false
  by artist: Nadja Fendrich
  in album: Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
    type: MusicAlbum
    date published: 2018-07-13
  isrc code: DEVP81351135
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T21:13:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd7ecc815901b75a414a8a05f6c3fe7b57541c245137fee9ba75298ab0c3af3a9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959061
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959061
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351135
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T21:34:21Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd7ecc815901b75a414a8a05f6c3fe7b57541c245137fee9ba75298ab0c3af3a9. Chain 2 (Bitcoin): anchored in block 959061 (2026-07-21T21:34:21Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351135 — a six-check JSON result.
    date published: 2026-07-21T21:34:21Z
  audio: Kapitel 1 & Kapitel 2.1 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.818
    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: 0.667
    additional property: Energy
      type: PropertyValue
      value: 0.388
    additional property: Speechiness
      type: PropertyValue
      value: 0.961
    additional property: Acousticness
      type: PropertyValue
      value: 0.619
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.309
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.322
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.427
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kapitel 2.2 & Kapitel 3.1 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
  type: MusicRecording
  duration: PT3M36S
  duration ms: 216633
  explicit: false
  by artist: Nadja Fendrich
  in album: Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
    type: MusicAlbum
    date published: 2018-07-13
  isrc code: DEVP81351136
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T01:29:03+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x2a002d1a124c409de9d55fa5c7887c487e8632745f63d93899fc424955c26cda
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959087
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959087
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351136
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T02:05:55Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x2a002d1a124c409de9d55fa5c7887c487e8632745f63d93899fc424955c26cda. Chain 2 (Bitcoin): anchored in block 959087 (2026-07-22T02:05:55Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351136 — a six-check JSON result.
    date published: 2026-07-22T02:05:55Z
  audio: Kapitel 2.2 & Kapitel 3.1 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.415
    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: 0.685
    additional property: Energy
      type: PropertyValue
      value: 0.338
    additional property: Speechiness
      type: PropertyValue
      value: 0.948
    additional property: Acousticness
      type: PropertyValue
      value: 0.593
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.609
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.194
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kapitel 3.2 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
  type: MusicRecording
  duration: PT3M6S
  duration ms: 186600
  explicit: false
  by artist: Nadja Fendrich
  in album: Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
    type: MusicAlbum
    date published: 2018-07-13
  isrc code: DEVP81351137
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T08:53:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x07b170fadf65a8eefa767f7d56985247ba1d8b71ca1bf8c9a06107c386dc8355
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958708
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958708
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351137
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Kapitel 3.2 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]

OTSTimestamp
type: PropertyValue
value: 2026-07-19T09:08:25Z

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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x07b170fadf65a8eefa767f7d56985247ba1d8b71ca1bf8c9a06107c386dc8355. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/DEVP81351137 — a six-check JSON result.
date published: 2026-07-19T09:08:25Z

Kapitel 3.2 - Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht [Band 4]
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 169.961
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: 0.629
additional property: Energy
  type: PropertyValue
  value: 0.374
additional property: Speechiness
  type: PropertyValue
  value: 0.959
additional property: Acousticness
  type: PropertyValue
  value: 0.531
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.275
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.617
additional property: Loudness (dB)
  type: PropertyValue
  value: -14.788
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Major

Die Vampirschwestern black & pink. Wolfsgeheul um Mitternacht
type: MusicAlbum
date published: 2018-07-13

Die Vampirschwestern black & pink. Nachtflug mit Oma
type: MusicAlbum
date published: 2019-03-15

Die Vampirschwestern black & pink. Nachtflug mit Oma [Band 5]
type: MusicAlbum
date published: 2019-03-15

Die Vampirschwestern black & pink. Nachteulen im Museum
type: MusicAlbum
date published: 2019-09-13

Die Vampirschwestern black & pink. Nachteulen im Museum [Band 6]
type: MusicAlbum
date published: 2019-09-13