Prof. Katia
type: MusicGroup
popularity: 17
followers: 1
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x076a82cd94fcb21046c8a6f9b857df8d28ebeaf0451b3cd319a4b994dbbfa28e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d10536a-425a-4914-9f97-f8e9f99fa0fa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9d10536a-425a-4914-9f97-f8e9f99fa0fa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9d10536a-425a-4914-9f97-f8e9f99fa0fa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x076a82cd94fcb21046c8a6f9b857df8d28ebeaf0451b3cd319a4b994dbbfa28e","name":"Prof. Katia","registered_at":"2026-06-14T21:05:23Z","symbol":"NIM0576292","token_address":"0x05f958272d46d39224fbb21e732019c49b270469","type":"artist","uuid":"9d10536a-425a-4914-9f97-f8e9f99fa0fa"}
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 0x076a82cd94fcb21046c8a6f9b857df8d28ebeaf0451b3cd319a4b994dbbfa28e. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9d10536a-425a-4914-9f97-f8e9f99fa0fa.json and https://artists.proofprofile.net/proofs/artist/9d10536a-425a-4914-9f97-f8e9f99fa0fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x076a82cd94fcb21046c8a6f9b857df8d28ebeaf0451b3cd319a4b994dbbfa28e","name":"Prof. Katia","registered_at":"2026-06-14T21:05:23Z","symbol":"NIM0576292","token_address":"0x05f958272d46d39224fbb21e732019c49b270469","type":"artist","uuid":"9d10536a-425a-4914-9f97-f8e9f99fa0fa"}
album: Invisible
  type: MusicAlbum
  date published: 2025-02-06
  track: Invisible
    type: MusicRecording
    duration: PT2M22S
    duration ms: 142299
    explicit: false
    by artist: Prof. Katia
    in album: Invisible
      type: MusicAlbum
      date published: 2025-02-06
    isrc code: QZDA82552959
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T04:25:38+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x4880d1723cd5c2a17544c38ffabfe8ebec51445fafb1e8fe9be582b2b40f020e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956772
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956772
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZDA82552959
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:01:46Z
    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 0x4880d1723cd5c2a17544c38ffabfe8ebec51445fafb1e8fe9be582b2b40f020e. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZDA82552959.
      date published: 2026-07-05T10:01:46Z
    audio: Invisible
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 83.907
      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: 0.476
      additional property: Energy
        type: PropertyValue
        value: 0.629
      additional property: Speechiness
        type: PropertyValue
        value: 0.054
      additional property: Acousticness
        type: PropertyValue
        value: 0.165
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.085
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.806
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.182
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: BackPack
  type: MusicAlbum
  date published: 2025-02-08
  track: BackPack
    type: MusicRecording
    duration: PT2M45S
    duration ms: 165196
    explicit: true
    by artist: Prof. Katia
    in album: BackPack
      type: MusicAlbum
      date published: 2025-02-08
    isrc code: QZES52570695
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T01:56:08+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x59abe51649b8e8abddd4c79c905b00d90047dce948debedeb3106725392b32fb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958808
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958808
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES52570695
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T04:58:59Z
    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
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x59abe51649b8e8abddd4c79c905b00d90047dce948debedeb3106725392b32fb. Chain 2 (Bitcoin): anchored in block 958808 (2026-07-20T04:58:59Z), 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/QZES52570695.
      date published: 2026-07-20T04:58:59Z
    audio: BackPack
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.022
      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: 0.741
      additional property: Energy
        type: PropertyValue
        value: 0.652
      additional property: Speechiness
        type: PropertyValue
        value: 0.044
      additional property: Acousticness
        type: PropertyValue
        value: 0.025
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.134
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.328
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Dinosaurs
album: King of the Jungle
album: Laguerta
album: Eagle
album: Crocodile
album: King Lion
album: Elephant
album: The Misadventures
album: Pez Pez Pez

Loudness (dB)
type: PropertyValue
value: -6.321

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Minor

Dinosaurs
type: MusicAlbum
date published: 2025-02-10
track: Dinosaurs
  type: MusicRecording
  duration: PT1M53S
  duration ms: 113345
  explicit: false
  by artist: Prof. Katia
  in album: Dinosaurs
    type: MusicAlbum
    date published: 2025-02-10
  isrc code: QZES62540835
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T07:12:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37a63d2300e67628803f923f2013f4c72f3d894bda2e41f0192d57ccabae32fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958842
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958842
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540835
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T10:08:36Z
  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 0x37a63d2300e67628803f923f2013f4c72f3d894bda2e41f0192d57ccabae32fe. Chain 2 (Bitcoin): anchored in block 958842 (2026-07-20T10:08:36Z), 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/QZES62540835.
    date published: 2026-07-20T10:08:36Z
  audio: Dinosaurs
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 121.209
    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: 0.762
    additional property: Energy
      type: PropertyValue
      value: 0.823
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.187
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.077
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.905
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.224
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Blues
  type: MusicRecording
  duration: PT1M49S
  duration ms: 109187
  explicit: false
  by artist: Prof. Katia
  in album: Dinosaurs
    type: MusicAlbum
    date published: 2025-02-10
  isrc code: QZES62540836
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:06:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x663d0052c8efd559df7952901c5281b8bfe6ec3fa3ba5d52c3dd36cbc737e63e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958746
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958746
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540836
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T18:05:42Z
  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 0x663d0052c8efd559df7952901c5281b8bfe6ec3fa3ba5d52c3dd36cbc737e63e. Chain 2 (Bitcoin): anchored in block 958746 (2026-07-19T18:05:42Z), 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/QZES62540836.
    date published: 2026-07-19T18:05:42Z
  audio: Blues
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 118.87
    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: 0.849
    additional property: Energy
      type: PropertyValue
      value: 0.795
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.072
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.079
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.488
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.991
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Dollar
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119041
  explicit: false
  by artist: Prof. Katia
  in album: Dinosaurs
    type: MusicAlbum
    date published: 2025-02-10
  isrc code: QZES62540837
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T00:34:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa8a39b4247e9aa201e7e258ba79e309eeb4984a52fc5dd7498794f2e21eda339
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958802
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958802
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540837
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Dollar
track: Grocery
track: Purple
track: The Lost

OTSTimestamp
type: PropertyValue
value: 2026-07-20T01:04:02Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8a39b4247e9aa201e7e258ba79e309eeb4984a52fc5dd7498794f2e21eda339. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZES62540837.
date published: 2026-07-20T01:04:02Z

Dollar
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 138.546
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: 0.755
additional property: Energy
  type: PropertyValue
  value: 0.777
additional property: Speechiness
  type: PropertyValue
  value: 0.062
additional property: Acousticness
  type: PropertyValue
  value: 0.029
additional property: Instrumentalness
  type: PropertyValue
  value: 0.004
additional property: Liveness
  type: PropertyValue
  value: 0.055
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.9
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.039
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

Grocery
type: MusicRecording
duration: PT1M48S
duration ms: 108187
explicit: false
by artist: Prof. Katia
in album: Dinosaurs
  type: MusicAlbum
  date published: 2025-02-10
isrc code: QZES62540838
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T21:43:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x24e31d05e4c0ed92c4fdd9cc95e9b4a8d837eb936eb10f646fa3a3af68dce0e3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958788
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958788
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540838
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:07:06Z
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 0x24e31d05e4c0ed92c4fdd9cc95e9b4a8d837eb936eb10f646fa3a3af68dce0e3. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/QZES62540838.
  date published: 2026-07-19T22:07:06Z
audio: Grocery
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.406
  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: 0.852
  additional property: Energy
    type: PropertyValue
    value: 0.705
  additional property: Speechiness
    type: PropertyValue
    value: 0.081
  additional property: Acousticness
    type: PropertyValue
    value: 0.453
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.637
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.799
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Purple
type: MusicRecording
duration: PT2M11S
duration ms: 131258
explicit: false
by artist: Prof. Katia
in album: Dinosaurs
  type: MusicAlbum
  date published: 2025-02-10
isrc code: QZES62540839
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T09:13:38+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x367b15f4c354ad46fd0a8dd70d47263f64f5b2b56ce5acd34f07be5267ca5aba
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540839
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T12:16:35Z
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 0x367b15f4c354ad46fd0a8dd70d47263f64f5b2b56ce5acd34f07be5267ca5aba. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:16:35Z), 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/QZES62540839.
  date published: 2026-07-20T12:16:35Z
audio: Purple
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 173.103
  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: 0.617
  additional property: Energy
    type: PropertyValue
    value: 0.893
  additional property: Speechiness
    type: PropertyValue
    value: 0.037
  additional property: Acousticness
    type: PropertyValue
    value: 0.03
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.172
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.841
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.201
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Lost
type: MusicRecording
duration: PT1M48S
duration ms: 108095
explicit: false
by artist: Prof. Katia
in album: Dinosaurs
  type: MusicAlbum
  date published: 2025-02-10
isrc code: QZES62540840
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T09:13:22+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xff958cfc086502203907d5822f0696fddd59d6206476a31f4d711bf320724ef7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958857
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958857
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES62540840
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T12:15:54Z
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 0xff958cfc086502203907d5822f0696fddd59d6206476a31f4d711bf320724ef7. Chain 2 (Bitcoin): anchored in block 958857 (2026-07-20T12:15:54Z), 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/QZES62540840.
  date published: 2026-07-20T12:15:54Z
audio: The Lost
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 150.006
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.82
  additional property: Energy
    type: PropertyValue
    value: 0.647
  additional property: Speechiness
    type: PropertyValue
    value: 0.062
  additional property: Acousticness
    type: PropertyValue
    value: 0.068
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.053
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.831
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.093
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Minor

King of the Jungle
type: MusicAlbum
date published: 2025-02-12
track: King of the Jungle
  type: MusicRecording
  duration: PT2M36S
  duration ms: 156194
  explicit: false
  by artist: Prof. Katia
  in album: King of the Jungle
    type: MusicAlbum
    date published: 2025-02-12
  isrc code: QZES82503348
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:51:45+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x17e6e5f739d5f053c1fcbca3f5da41f9c0831228f26d2cca0529f4970528d21e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958756
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958756
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82503348
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T18:54:13Z
  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 0x17e6e5f739d5f053c1fcbca3f5da41f9c0831228f26d2cca0529f4970528d21e. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T18:54:13Z), 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/QZES82503348.
    date published: 2026-07-19T18:54:13Z
  audio: King of the Jungle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 122.021
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.89
    additional property: Energy
      type: PropertyValue
      value: 0.602
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.097
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.364
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.735
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.947
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Laguerta
type: MusicAlbum
date published: 2025-02-13
track: Laguerta
  type: MusicRecording
  duration: PT2M24S
  duration ms: 144370
  explicit: false
  by artist: Prof. Katia
  in album: Laguerta
    type: MusicAlbum
    date published: 2025-02-13
  isrc code: QZES82505920
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T20:41:27+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xedc5611ffb74b84aa2f444f9bb9acdac65f4c71b475801df676b1bb13037dd7c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958779
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958779
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82505920
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T23:43:36Z
  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 0xedc5611ffb74b84aa2f444f9bb9acdac65f4c71b475801df676b1bb13037dd7c. Chain 2 (Bitcoin): anchored in block 958779 (2026-07-19T23:43:36Z), 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/QZES82505920.
    date published: 2026-07-19T23:43:36Z
  audio: Laguerta
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.623
    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: 0.802
    additional property: Energy
      type: PropertyValue
      value: 0.752
    additional property: Speechiness
      type: PropertyValue
      value: 0.051
    additional property: Acousticness
      type: PropertyValue
      value: 0.317
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.338
    additional property: Liveness
      type: PropertyValue
      value: 0.08
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.727
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.291
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Eagle
type: MusicAlbum
date published: 2025-02-14
track: Eagle
  type: MusicRecording
  duration: PT1M45S
  duration ms: 105395
  explicit: false
  by artist: Prof. Katia
  in album: Eagle
    type: MusicAlbum
    date published: 2025-02-14
  isrc code: QZES82505922
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T07:39:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd1a8070ffda5164e47a6f1d9aeb11eb5999d3180c593fef31335a27d323f6a73
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82505922
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  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 0xd1a8070ffda5164e47a6f1d9aeb11eb5999d3180c593fef31335a27d323f6a73. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/QZES82505922.
    date published: 2026-07-05T10:01:46Z
  audio: Eagle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 156.877
    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: 0.747
    additional property: Energy
      type: PropertyValue
      value: 0.632
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.102
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.154
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.49
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.259
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Crocodile
type: MusicAlbum
date published: 2025-02-15
track: Crocodile
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131944
  explicit: false
  by artist: Prof. Katia
  in album: Crocodile
    type: MusicAlbum
    date published: 2025-02-15
  isrc code: QZES82573344
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-21T06:20:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xdc6fc82a3c7f69731babf21ae6059da8ab08d2758c9e4dbf45d0f7199431b0fe
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958980
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958980
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82573344
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T07:04:12Z
  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 0xdc6fc82a3c7f69731babf21ae6059da8ab08d2758c9e4dbf45d0f7199431b0fe. Chain 2 (Bitcoin): anchored in block 958980 (2026-07-21T07:04:12Z), 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/QZES82573344.
    date published: 2026-07-21T07:04:12Z
  audio: Crocodile
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 88.201
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.807
    additional property: Energy
      type: PropertyValue
      value: 0.724
    additional property: Speechiness
      type: PropertyValue
      value: 0.072
    additional property: Acousticness
      type: PropertyValue
      value: 0.304
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.029
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.96
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.579
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

King Lion
type: MusicAlbum
date published: 2025-02-16
track: King Lion
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119478
  explicit: false
  by artist: Prof. Katia
  in album: King Lion
    type: MusicAlbum
    date published: 2025-02-16
  isrc code: QZES82574378
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T09:50:38+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1a8f4dbe42c6eb5e9e5be9165dda2ca89becb2de2f7576331fbf0c7b2acd753d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958860
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958860
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82574378
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T09:58:28Z
  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 0x1a8f4dbe42c6eb5e9e5be9165dda2ca89becb2de2f7576331fbf0c7b2acd753d. Chain 2 (Bitcoin): anchored in block 958860 (2026-07-20T09:58:28Z), 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/QZES82574378.
    date published: 2026-07-20T09:58:28Z
  audio: King Lion
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.249
    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: 0.768
    additional property: Energy
      type: PropertyValue
      value: 0.67
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.268
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.015
    additional property: Liveness
      type: PropertyValue
      value: 0.126
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.823
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.196
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Elephant
type: MusicAlbum
date published: 2025-02-17
track: Elephant
  type: MusicRecording
  duration: PT2M29S
  duration ms: 149428
  explicit: false
  by artist: Prof. Katia
  in album: Elephant
    type: MusicAlbum
    date published: 2025-02-17
  isrc code: QZES82574379
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T14:30:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf625f1acd40e36a138f5961231d69adb8dd48c471680ca2afd380f83262d9c1b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958749
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES82574379
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T17:32:34Z
  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 0xf625f1acd40e36a138f5961231d69adb8dd48c471680ca2afd380f83262d9c1b. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T17:32:34Z), 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/QZES82574379.
    date published: 2026-07-19T17:32:34Z
  audio: Elephant
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 105.792
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.839
    additional property: Energy
      type: PropertyValue
      value: 0.588
    additional property: Speechiness
      type: PropertyValue
      value: 0.071
    additional property: Acousticness
      type: PropertyValue
      value: 0.139
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.056
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.965
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.568
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Minor

The Misadventures
type: MusicAlbum
date published: 2025-02-19
track: The Misadventures
  type: MusicRecording
  duration: PT2M21S
  duration ms: 141823
  explicit: false
  by artist: Prof. Katia
  in album: The Misadventures
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: QZES92590988
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T23:29:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xebb7eaef9b84723698676edcd591ccc712f7115c7490f5a7bb8f7f9fa844286d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958798
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958798
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590988
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:32:33Z
  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 0xebb7eaef9b84723698676edcd591ccc712f7115c7490f5a7bb8f7f9fa844286d. Chain 2 (Bitcoin): anchored in block 958798 (2026-07-20T02:32:33Z), 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/QZES92590988.
    date published: 2026-07-20T02:32:33Z
  audio: The Misadventures
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 81.016
    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: 0.651
    additional property: Energy
      type: PropertyValue
      value: 0.546
    additional property: Speechiness
      type: PropertyValue
      value: 0.066
    additional property: Acousticness
      type: PropertyValue
      value: 0.413
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.303
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.721
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.544
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Benny and Sue
  type: MusicRecording
  duration: PT2M19S
  duration ms: 139659
  explicit: false
  by artist: Prof. Katia
  in album: The Misadventures
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: QZES92590989
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T01:40:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc3333081559224ca66db7ef158e1d2834823394d75dfc17ef40fcba0873e261b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958805
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958805
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590989
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:22:58Z
  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 0xc3333081559224ca66db7ef158e1d2834823394d75dfc17ef40fcba0873e261b. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZES92590989.
    date published: 2026-07-20T02:22:58Z
  audio: Benny and Sue
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.428
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.817
    additional property: Energy
      type: PropertyValue
      value: 0.532
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.258
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.007
    additional property: Liveness
      type: PropertyValue
      value: 0.139
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.642
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.791
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Dance
  type: MusicRecording
  duration: PT2M20S
  duration ms: 140732
  explicit: false
  by artist: Prof. Katia
  in album: The Misadventures
    type: MusicAlbum
    date published: 2025-02-19
  isrc code: QZES92590990
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T22:03:21+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x17ccc4fd3ceca1018c7d126a7ceb12b79d43136512b70777edc7dc8211a1486a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958943
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958943
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590990
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Dance
track: Dragon
track: King
track: Pool
track: The Raccoon's
track: Toown

OTSTimestamp
type: PropertyValue
value: 2026-07-21T00:27:37Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x17ccc4fd3ceca1018c7d126a7ceb12b79d43136512b70777edc7dc8211a1486a. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T00:27:37Z), 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/QZES92590990.
date published: 2026-07-21T00:27:37Z

Dance
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 119.776
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.908
additional property: Energy
  type: PropertyValue
  value: 0.544
additional property: Speechiness
  type: PropertyValue
  value: 0.077
additional property: Acousticness
  type: PropertyValue
  value: 0.044
additional property: Instrumentalness
  type: PropertyValue
  value: 0.003
additional property: Liveness
  type: PropertyValue
  value: 0.073
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.822
additional property: Loudness (dB)
  type: PropertyValue
  value: -6.8
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Dragon
type: MusicRecording
duration: PT2M14S
duration ms: 134204
explicit: false
by artist: Prof. Katia
in album: The Misadventures
  type: MusicAlbum
  date published: 2025-02-19
isrc code: QZES92590991
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T21:34:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb57a5152a2bd4d763b787b66b1072d6c1187f4af0313b7543c72a9768e6f4394
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958788
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958788
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590991
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T22:07:06Z
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 0xb57a5152a2bd4d763b787b66b1072d6c1187f4af0313b7543c72a9768e6f4394. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-19T22:07:06Z), 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/QZES92590991.
  date published: 2026-07-19T22:07:06Z
audio: Dragon
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.589
  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: 0.943
  additional property: Energy
    type: PropertyValue
    value: 0.557
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.466
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.25
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.623
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.821
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

King
type: MusicRecording
duration: PT2M8S
duration ms: 128731
explicit: false
by artist: Prof. Katia
in album: The Misadventures
  type: MusicAlbum
  date published: 2025-02-19
isrc code: QZES92590992
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T08:10:09+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf4632fb2948455319bd8afbe80d9578eebbea1212d99cf047ccf99926f2c072a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958850
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958850
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590992
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T11:08:12Z
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 0xf4632fb2948455319bd8afbe80d9578eebbea1212d99cf047ccf99926f2c072a. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T11:08:12Z), 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/QZES92590992.
  date published: 2026-07-20T11:08:12Z
audio: King
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 80.114
  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: 0.685
  additional property: Energy
    type: PropertyValue
    value: 0.628
  additional property: Speechiness
    type: PropertyValue
    value: 0.059
  additional property: Acousticness
    type: PropertyValue
    value: 0.257
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.188
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.929
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.912
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pool
type: MusicRecording
duration: PT2M21S
duration ms: 141840
explicit: false
by artist: Prof. Katia
in album: The Misadventures
  type: MusicAlbum
  date published: 2025-02-19
isrc code: QZES92590993
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T03:10:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfa9c79b3316c03c0f9af26e78650923156c273fb73dd29bf2cc5d5b7f2df770c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958812
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958812
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590993
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T03:24:09Z
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 0xfa9c79b3316c03c0f9af26e78650923156c273fb73dd29bf2cc5d5b7f2df770c. Chain 2 (Bitcoin): anchored in block 958812 (2026-07-20T03:24:09Z), 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/QZES92590993.
  date published: 2026-07-20T03:24:09Z
audio: Pool
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.844
  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: 0.816
  additional property: Energy
    type: PropertyValue
    value: 0.609
  additional property: Speechiness
    type: PropertyValue
    value: 0.063
  additional property: Acousticness
    type: PropertyValue
    value: 0.24
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.786
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.518
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

The Raccoon's
type: MusicRecording
duration: PT1M45S
duration ms: 105823
explicit: false
by artist: Prof. Katia
in album: The Misadventures
  type: MusicAlbum
  date published: 2025-02-19
isrc code: QZES92590994
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T14:52:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x37e9feca15c781991d796aba57c3ca9bbf317c6a8109ad40e75ab894248f04db
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/QZES92590994
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x37e9feca15c781991d796aba57c3ca9bbf317c6a8109ad40e75ab894248f04db. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590994.
  date published: 2026-07-05T19:27:56Z
audio: The Raccoon's
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 146.603
  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: 0.761
  additional property: Energy
    type: PropertyValue
    value: 0.541
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.381
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.075
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.913
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.601
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Toown
type: MusicRecording
duration: PT2M36S
duration ms: 156005
explicit: false
by artist: Prof. Katia
in album: The Misadventures
  type: MusicAlbum
  date published: 2025-02-19
isrc code: QZES92590995
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T20:21:45+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd0a6c8a545a9e1eba3b144b7d801299f3548c8809194b1d25576671118735467
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958783
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958783
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92590995
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:20:45Z
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 0xd0a6c8a545a9e1eba3b144b7d801299f3548c8809194b1d25576671118735467. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/QZES92590995.
  date published: 2026-07-19T21:20:45Z
audio: Toown
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 112.444
  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: 0.807
  additional property: Energy
    type: PropertyValue
    value: 0.758
  additional property: Speechiness
    type: PropertyValue
    value: 0.029
  additional property: Acousticness
    type: PropertyValue
    value: 0.116
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.096
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.706
  additional property: Loudness (dB)
    type: PropertyValue
    value: -6.754
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pez Pez Pez
type: MusicAlbum
date published: 2025-02-20
track: Pez Eangle
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152647
  explicit: false
  by artist: Prof. Katia
  in album: Pez Pez Pez
    type: MusicAlbum
    date published: 2025-02-20
  isrc code: QZES92588639
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T00:39:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4d95521c6b5f1059d3f38fb5fa6dd52f465eb7225bf83bab409a241c57899c8e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958802
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958802
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92588639
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T01:04:02Z
  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 0x4d95521c6b5f1059d3f38fb5fa6dd52f465eb7225bf83bab409a241c57899c8e. Chain 2 (Bitcoin): anchored in block 958802 (2026-07-20T01:04:02Z), 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/QZES92588639.
    date published: 2026-07-20T01:04:02Z
  audio: Pez Eangle
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.976
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.743
    additional property: Energy
      type: PropertyValue
      value: 0.517
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.071
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.334
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.621
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.935
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Armadillo
  type: MusicRecording
  duration: PT2M42S
  duration ms: 162968
  explicit: false
  by artist: Prof. Katia
  in album: Pez Pez Pez
    type: MusicAlbum
    date published: 2025-02-20
  isrc code: QZES92588640
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T04:37:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x88cd98d9b94fc464ba6c3da55d71e11f343008944d2ca549b1970ed3548d8e23
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956776
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956776
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92588640
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:59:37Z
  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 0x88cd98d9b94fc464ba6c3da55d71e11f343008944d2ca549b1970ed3548d8e23. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZES92588640.
    date published: 2026-07-05T10:59:37Z
  audio: Armadillo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 99.952
    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: 0.778
    additional property: Energy
      type: PropertyValue
      value: 0.685
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.167
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.234
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.869
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.217
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Anguilla
  type: MusicRecording
  duration: PT1M55S
  duration ms: 115651
  explicit: false
  by artist: Prof. Katia
  in album: Pez Pez Pez
    type: MusicAlbum
    date published: 2025-02-20
  isrc code: QZES92588641
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:31:13+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb787e02dc3c705d2ea678e220474f614e12be40bc3a98f521607ec1ee41ad2d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958749
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958749
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES92588641
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Anguilla

OTSTimestamp
type: PropertyValue
value: 2026-07-19T18:34:27Z

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

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb787e02dc3c705d2ea678e220474f614e12be40bc3a98f521607ec1ee41ad2d3. Chain 2 (Bitcoin): anchored in block 958749 (2026-07-19T18:34:27Z), 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/QZES92588641.
date published: 2026-07-19T18:34:27Z

Anguilla
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 75.004
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: 0.72
additional property: Energy
  type: PropertyValue
  value: 0.709
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.35
additional property: Instrumentalness
  type: PropertyValue
  value: 0.254
additional property: Liveness
  type: PropertyValue
  value: 0.085
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.781
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.163
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor