Mc Gato Under
type: MusicGroup
popularity: 19
followers: 55
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x41ff2792c9dc6eb53ee2198471fb000c4d678b7c5c0a2055006787f1b469bd60
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953641
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953641
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ad76fdb-054b-49a7-a811-43f3299c281c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3ad76fdb-054b-49a7-a811-43f3299c281c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3ad76fdb-054b-49a7-a811-43f3299c281c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T13:54:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x41ff2792c9dc6eb53ee2198471fb000c4d678b7c5c0a2055006787f1b469bd60","name":"Mc Gato Under","registered_at":"2026-06-14T10:37:13Z","symbol":"NIM0426481","token_address":"0xfe7d1f0b599d5b45e7c266fe119dbf0b7474ddef","type":"artist","uuid":"3ad76fdb-054b-49a7-a811-43f3299c281c"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x41ff2792c9dc6eb53ee2198471fb000c4d678b7c5c0a2055006787f1b469bd60. Chain 2 (Bitcoin): anchored in block 953641 (2026-06-14T13:54:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3ad76fdb-054b-49a7-a811-43f3299c281c.json and https://artists.proofprofile.net/proofs/artist/3ad76fdb-054b-49a7-a811-43f3299c281c.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T13:54:28Z
  text: {"copyright_id":"0x41ff2792c9dc6eb53ee2198471fb000c4d678b7c5c0a2055006787f1b469bd60","name":"Mc Gato Under","registered_at":"2026-06-14T10:37:13Z","symbol":"NIM0426481","token_address":"0xfe7d1f0b599d5b45e7c266fe119dbf0b7474ddef","type":"artist","uuid":"3ad76fdb-054b-49a7-a811-43f3299c281c"}
album: Parábola del Suceso
  type: MusicAlbum
  date published: 2024-06-26
  track: La Luz en el Camino
    type: MusicRecording
    duration: PT3M52S
    duration ms: 232855
    explicit: false
    by artist: Mc Gato Under
    in album: Parábola del Suceso
      type: MusicAlbum
      date published: 2024-06-26
    isrc code: QZNJX2494461
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T20:46:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x795bdefa42b3397e4e20c6b8b6da89afd0f4ddefc92d34694138f3573d1e8deb
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958489
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958489
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494461
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:13:26Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x795bdefa42b3397e4e20c6b8b6da89afd0f4ddefc92d34694138f3573d1e8deb. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494461 — a six-check JSON result.
      date published: 2026-07-18T04:13:26Z
    audio: La Luz en el Camino
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 90.996
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.821
      additional property: Energy
        type: PropertyValue
        value: 0.413
      additional property: Speechiness
        type: PropertyValue
        value: 0.221
      additional property: Acousticness
        type: PropertyValue
        value: 0.069
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.106
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.765
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.211
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: La Sangre del Cordero
    type: MusicRecording
    duration: PT4M6S
    duration ms: 246021
    explicit: false
    by artist: Mc Gato Under
    in album: Parábola del Suceso
      type: MusicAlbum
      date published: 2024-06-26
    isrc code: QZNJX2494462
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T04:43:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7abc908710379a3661f564748d6991e7785390eb842f98a53c800fccebe54494
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958498
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958498
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494462
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T04:54:58Z
    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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7abc908710379a3661f564748d6991e7785390eb842f98a53c800fccebe54494. Chain 2 (Bitcoin): anchored in block 958498 (2026-07-18T04:54:58Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494462 — a six-check JSON result.
      date published: 2026-07-18T04:54:58Z
    audio: La Sangre del Cordero
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 100.014
      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: 0.839
      additional property: Energy
        type: PropertyValue
        value: 0.781
      additional property: Speechiness
        type: PropertyValue
        value: 0.108
      additional property: Acousticness
        type: PropertyValue
        value: 0.264
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.325
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.503
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.371
      additional property: Key Name
      additional property: Mode Name
  track: Sonidos de la Madrugada
  track: Somos Rebelión
  track: La Unión Hace la Fuerza
album: Underground de la Calle
album: Extracto del Gueto
album: Pintas de Callejones
album: Rap Colombia en Español

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Sonidos de la Madrugada
type: MusicRecording
duration: PT3M24S
duration ms: 204460
explicit: false
by artist: Mc Gato Under
in album: Parábola del Suceso
  type: MusicAlbum
  date published: 2024-06-26
isrc code: QZNJX2494463
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T00:43:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x104a29eebef74f61f221e00884f85a5bd7e0d7300b95cc93e0706d7771eafe6f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958951
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958951
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494463
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T02:01:41Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x104a29eebef74f61f221e00884f85a5bd7e0d7300b95cc93e0706d7771eafe6f. Chain 2 (Bitcoin): anchored in block 958951 (2026-07-21T02:01:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494463 — a six-check JSON result.
  date published: 2026-07-21T02:01:41Z
audio: Sonidos de la Madrugada
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 92.547
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.55
  additional property: Energy
    type: PropertyValue
    value: 0.777
  additional property: Speechiness
    type: PropertyValue
    value: 0.479
  additional property: Acousticness
    type: PropertyValue
    value: 0.442
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.258
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.83
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.601
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Somos Rebelión
type: MusicRecording
duration: PT2M54S
duration ms: 174051
explicit: false
by artist: Mc Gato Under
in album: Parábola del Suceso
  type: MusicAlbum
  date published: 2024-06-26
isrc code: QZNJX2494464
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T11:25:30+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xefb68c5a313de29b6e8b84878fc03a846b013b64864366b5d6b6fa3d4d33d5ed
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494464
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xefb68c5a313de29b6e8b84878fc03a846b013b64864366b5d6b6fa3d4d33d5ed. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494464 — a six-check JSON result.
  date published: 2026-07-03T19:59:51Z
audio: Somos Rebelión
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 89.97
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.825
  additional property: Energy
    type: PropertyValue
    value: 0.553
  additional property: Speechiness
    type: PropertyValue
    value: 0.15
  additional property: Acousticness
    type: PropertyValue
    value: 0.101
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.171
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.522
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.744
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Unión Hace la Fuerza
type: MusicRecording
duration: PT4M13S
duration ms: 253022
explicit: false
by artist: Mc Gato Under
in album: Parábola del Suceso
  type: MusicAlbum
  date published: 2024-06-26
isrc code: QZNJX2494465
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T10:52:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8572bbee93951c5f8cd48f5ed1db21f366d46480f946554df30a5e076270f994
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958721
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958721
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494465
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T11:02:33Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8572bbee93951c5f8cd48f5ed1db21f366d46480f946554df30a5e076270f994. Chain 2 (Bitcoin): anchored in block 958721 (2026-07-19T11:02:33Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJX2494465 — a six-check JSON result.
  date published: 2026-07-19T11:02:33Z
audio: La Unión Hace la Fuerza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.009
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.776
  additional property: Energy
    type: PropertyValue
    value: 0.6
  additional property: Speechiness
    type: PropertyValue
    value: 0.138
  additional property: Acousticness
    type: PropertyValue
    value: 0.07
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.116
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.349
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.291
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Underground de la Calle
type: MusicAlbum
date published: 2024-08-27
track: Aprendo de la Vida
  type: MusicRecording
  duration: PT3M38S
  duration ms: 218063
  explicit: false
  by artist: Mc Gato Under
  in album: Underground de la Calle
    type: MusicAlbum
    date published: 2024-08-27
  isrc code: QZTPX2444591
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T10:14:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd63cb15b717790d17c4d42e9d29c08378db50cfa9c0c3668efe98e08c2706021
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958397
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958397
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444591
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T10:29:45Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd63cb15b717790d17c4d42e9d29c08378db50cfa9c0c3668efe98e08c2706021. Chain 2 (Bitcoin): anchored in block 958397 (2026-07-17T10:29:45Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444591 — a six-check JSON result.
    date published: 2026-07-17T10:29:45Z
  audio: Aprendo de la Vida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 88.541
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.558
    additional property: Energy
      type: PropertyValue
      value: 0.599
    additional property: Speechiness
      type: PropertyValue
      value: 0.309
    additional property: Acousticness
      type: PropertyValue
      value: 0.384
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.229
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.686
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.8
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Industria Ciudad Hip Hop
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181002
  explicit: false
  by artist: Mc Gato Under
  in album: Underground de la Calle
    type: MusicAlbum
    date published: 2024-08-27
  isrc code: QZTPX2444592
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T02:34:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x45921e5c93a5c1b99a10fbd70b6a3106ab6678875207d3851bcdffa848351d57
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958355
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958355
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444592
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T03:11:50Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x45921e5c93a5c1b99a10fbd70b6a3106ab6678875207d3851bcdffa848351d57. Chain 2 (Bitcoin): anchored in block 958355 (2026-07-17T03:11:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444592 — a six-check JSON result.
    date published: 2026-07-17T03:11:50Z
  audio: Industria Ciudad Hip Hop
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 97.99
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.837
    additional property: Energy
      type: PropertyValue
      value: 0.537
    additional property: Speechiness
      type: PropertyValue
      value: 0.197
    additional property: Acousticness
      type: PropertyValue
      value: 0.256
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.445
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.675
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.617
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Letras del Barrio
  type: MusicRecording
  duration: PT2M16S
  duration ms: 136881
  explicit: false
  by artist: Mc Gato Under
  in album: Underground de la Calle
    type: MusicAlbum
    date published: 2024-08-27
  isrc code: QZTPX2444593
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T12:22:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd8ad4ec10a6e8fce84ed2f7c6f19d7d4a33cc1fd9aa2ebeb36ef4adb606f8d44
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958415
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958415
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444593
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Letras del Barrio
track: Underground Sin Palabras

OTSTimestamp
type: PropertyValue
value: 2026-07-17T12:50:13Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ad4ec10a6e8fce84ed2f7c6f19d7d4a33cc1fd9aa2ebeb36ef4adb606f8d44. Chain 2 (Bitcoin): anchored in block 958415 (2026-07-17T12:50:13Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444593 — a six-check JSON result.
date published: 2026-07-17T12:50:13Z

Letras del Barrio
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 94.93
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: 0.734
additional property: Energy
  type: PropertyValue
  value: 0.419
additional property: Speechiness
  type: PropertyValue
  value: 0.274
additional property: Acousticness
  type: PropertyValue
  value: 0.1
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.086
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.338
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.738
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Major

Underground Sin Palabras
type: MusicRecording
duration: PT3M31S
duration ms: 211356
explicit: false
by artist: Mc Gato Under
in album: Underground de la Calle
  type: MusicAlbum
  date published: 2024-08-27
isrc code: QZTPX2444594
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T07:40:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf5fa38e5b200ba73d285a1e3e0af9e0486bab1908ac1fc50932a27390a0a5b61
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958383
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958383
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444594
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T08:20:01Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf5fa38e5b200ba73d285a1e3e0af9e0486bab1908ac1fc50932a27390a0a5b61. Chain 2 (Bitcoin): anchored in block 958383 (2026-07-17T08:20:01Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2444594 — a six-check JSON result.
  date published: 2026-07-17T08:20:01Z
audio: Underground Sin Palabras
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 87.012
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.846
  additional property: Energy
    type: PropertyValue
    value: 0.551
  additional property: Speechiness
    type: PropertyValue
    value: 0.34
  additional property: Acousticness
    type: PropertyValue
    value: 0.098
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.275
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.795
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.309
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Extracto del Gueto
type: MusicAlbum
date published: 2024-09-11
track: Recuerdo de Ti
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203128
  explicit: false
  by artist: Mc Gato Under
  in album: Extracto del Gueto
    type: MusicAlbum
    date published: 2024-09-11
  isrc code: QZTPX2497770
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:37:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x011bf14ee15cc8654a2926ba102bf04c97c217dfd569cf3caafd676ff847de9f
  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/QZTPX2497770
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x011bf14ee15cc8654a2926ba102bf04c97c217dfd569cf3caafd676ff847de9f. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497770 — a six-check JSON result.
    date published: 2026-07-19T22:07:06Z
  audio: Recuerdo de Ti
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 85.658
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.702
    additional property: Energy
      type: PropertyValue
      value: 0.534
    additional property: Speechiness
      type: PropertyValue
      value: 0.319
    additional property: Acousticness
      type: PropertyValue
      value: 0.423
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.173
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.74
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.264
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ilusión o Realidad
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198608
  explicit: false
  by artist: Mc Gato Under
  in album: Extracto del Gueto
    type: MusicAlbum
    date published: 2024-09-11
  isrc code: QZTPX2497769
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T20:24:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x186fdf1488dfe40729dce552bc8ee9c8a15ffbb0834693dec2a76476a46b8553
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958607
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958607
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497769
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T21:01:11Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x186fdf1488dfe40729dce552bc8ee9c8a15ffbb0834693dec2a76476a46b8553. Chain 2 (Bitcoin): anchored in block 958607 (2026-07-18T21:01:11Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497769 — a six-check JSON result.
    date published: 2026-07-18T21:01:11Z
  audio: Ilusión o Realidad
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.941
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.824
    additional property: Energy
      type: PropertyValue
      value: 0.426
    additional property: Speechiness
      type: PropertyValue
      value: 0.422
    additional property: Acousticness
      type: PropertyValue
      value: 0.747
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.678
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.903
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Así Es
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195082
  explicit: false
  by artist: Mc Gato Under
  in album: Extracto del Gueto
    type: MusicAlbum
    date published: 2024-09-11
  isrc code: QZTPX2497771
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T04:11:36+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd3d65146e4218cfd58b01f78b8efff16928a507cb86cd195c402af168ace63ea
  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/QZTPX2497771
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Así Es
track: Percepciones

OTSTimestamp
type: PropertyValue
value: 2026-07-05T10:01:46Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd3d65146e4218cfd58b01f78b8efff16928a507cb86cd195c402af168ace63ea. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497771 — a six-check JSON result.
date published: 2026-07-05T10:01:46Z

Así Es
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 81.018
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.851
additional property: Energy
  type: PropertyValue
  value: 0.558
additional property: Speechiness
  type: PropertyValue
  value: 0.66
additional property: Acousticness
  type: PropertyValue
  value: 0.228
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.094
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.776
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.117
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Minor

Percepciones
type: MusicRecording
duration: PT3M35S
duration ms: 215693
explicit: false
by artist: Mc Gato Under
in album: Extracto del Gueto
  type: MusicAlbum
  date published: 2024-09-11
isrc code: QZTPX2497773
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-21T03:35:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x088f80a986af4d3c360b1cdd0f9a0ecc26605a0c98bc20c796de574674dc1783
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958959
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958959
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497773
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-21T03:51:22Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x088f80a986af4d3c360b1cdd0f9a0ecc26605a0c98bc20c796de574674dc1783. Chain 2 (Bitcoin): anchored in block 958959 (2026-07-21T03:51:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZTPX2497773 — a six-check JSON result.
  date published: 2026-07-21T03:51:22Z
audio: Percepciones
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.707
  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: 0.709
  additional property: Energy
    type: PropertyValue
    value: 0.626
  additional property: Speechiness
    type: PropertyValue
    value: 0.324
  additional property: Acousticness
    type: PropertyValue
    value: 0.577
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.279
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.788
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.552
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Pintas de Callejones
type: MusicAlbum
date published: 2024-12-31
track: Zona Underground
  type: MusicRecording
  duration: PT3M32S
  duration ms: 212088
  explicit: false
  by artist: Mc Gato Under
  in album: Pintas de Callejones
    type: MusicAlbum
    date published: 2024-12-31
  isrc code: US7VG2527718
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T16:03:40+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8aaf4407b992572781c8ae1448637f1a5877bbc81672dd5025e4f12b9f188a64
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956545
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956545
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527718
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T19:59:51Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8aaf4407b992572781c8ae1448637f1a5877bbc81672dd5025e4f12b9f188a64. Chain 2 (Bitcoin): anchored in block 956545 (2026-07-03T19:59:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527718 — a six-check JSON result.
    date published: 2026-07-03T19:59:51Z
  audio: Zona Underground
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.719
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.621
    additional property: Energy
      type: PropertyValue
      value: 0.653
    additional property: Speechiness
      type: PropertyValue
      value: 0.291
    additional property: Acousticness
      type: PropertyValue
      value: 0.613
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.121
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.463
    additional property: Loudness (dB)
      type: PropertyValue
      value: -6.31
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Aroma a los 90Ta
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188256
  explicit: false
  by artist: Mc Gato Under
  in album: Pintas de Callejones
    type: MusicAlbum
    date published: 2024-12-31
  isrc code: US7VG2527719
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T15:54:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd6d46cc9e9fd59816d9c9a25764c7f40ffef0f923abf44cb17caccb918e99760
  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/US7VG2527719
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:12:29Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd6d46cc9e9fd59816d9c9a25764c7f40ffef0f923abf44cb17caccb918e99760. Chain 2 (Bitcoin): anchored in block 958756 (2026-07-19T16:12:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527719 — a six-check JSON result.
    date published: 2026-07-19T16:12:29Z
  audio: Aroma a los 90Ta
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 88.015
    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: 0.626
    additional property: Energy
      type: PropertyValue
      value: 0.694
    additional property: Speechiness
      type: PropertyValue
      value: 0.104
    additional property: Acousticness
      type: PropertyValue
      value: 0.117
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.184
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.611
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.833
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Mundo Paralelo
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180256
  explicit: false
  by artist: Mc Gato Under
  in album: Pintas de Callejones
    type: MusicAlbum
    date published: 2024-12-31
  isrc code: US7VG2527720
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:15:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb7c3fbeac9fc5ed80abaf578436e7037162d209ca55d4da901707df5ad51bed8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527720
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mundo Paralelo
track: Cinta 350

OTSTimestamp
type: PropertyValue
value: 2026-07-03T08:56:35Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb7c3fbeac9fc5ed80abaf578436e7037162d209ca55d4da901707df5ad51bed8. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527720 — a six-check JSON result.
date published: 2026-07-03T08:56:35Z

Mundo Paralelo
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 92.205
additional property: Musical Key
  type: PropertyValue
  value: 6
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.771
additional property: Energy
  type: PropertyValue
  value: 0.444
additional property: Speechiness
  type: PropertyValue
  value: 0.38
additional property: Acousticness
  type: PropertyValue
  value: 0.352
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.155
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.405
additional property: Loudness (dB)
  type: PropertyValue
  value: -8.572
additional property: Key Name
  type: PropertyValue
  value: F#
additional property: Mode Name
  type: PropertyValue
  value: Minor

Cinta 350
type: MusicRecording
duration: PT3M46S
duration ms: 226848
explicit: false
by artist: Mc Gato Under
in album: Pintas de Callejones
  type: MusicAlbum
  date published: 2024-12-31
isrc code: US7VG2527722
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T17:32:10+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6010cc72226eabdea9f08d5828c3d4fdc141c541075f4fcbcad563691290574d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958917
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958917
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527722
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T17:53:56Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6010cc72226eabdea9f08d5828c3d4fdc141c541075f4fcbcad563691290574d. Chain 2 (Bitcoin): anchored in block 958917 (2026-07-20T17:53:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US7VG2527722 — a six-check JSON result.
  date published: 2026-07-20T17:53:56Z
audio: Cinta 350
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 90.053
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.875
  additional property: Energy
    type: PropertyValue
    value: 0.502
  additional property: Speechiness
    type: PropertyValue
    value: 0.411
  additional property: Acousticness
    type: PropertyValue
    value: 0.764
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.003
  additional property: Liveness
    type: PropertyValue
    value: 0.111
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.584
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.503
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rap Colombia en Español
type: MusicAlbum
date published: 2025-05-25
track: Rap Colombia
  type: MusicRecording
  duration: PT2M49S
  duration ms: 169877
  explicit: false
  by artist: Mc Gato Under
  in album: Rap Colombia en Español
    type: MusicAlbum
    date published: 2025-05-25
  isrc code: QZNJV2599792
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:00:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc5cab2fabb691e1fc77f759ae334e5dd7b99da95fed0c4369040806cf60654f5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958897
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958897
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2599792
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T14:57:46Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc5cab2fabb691e1fc77f759ae334e5dd7b99da95fed0c4369040806cf60654f5. Chain 2 (Bitcoin): anchored in block 958897 (2026-07-20T14:57:46Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2599792 — a six-check JSON result.
    date published: 2026-07-20T14:57:46Z
  audio: Rap Colombia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 84.995
    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: 0.786
    additional property: Energy
      type: PropertyValue
      value: 0.496
    additional property: Speechiness
      type: PropertyValue
      value: 0.32
    additional property: Acousticness
      type: PropertyValue
      value: 0.661
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.108
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.629
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.831
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Rap Original
  type: MusicRecording
  duration: PT4M16S
  duration ms: 256069
  explicit: false
  by artist: Mc Gato Under
  in album: Rap Colombia en Español
    type: MusicAlbum
    date published: 2025-05-25
  isrc code: QZNJV2599794
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T06:29:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf7d80a85ea1e95143821a02ed6df699db73a1a8c2d2b40ae2af9d9eda0468223
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958377
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958377
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2599794
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T06:48:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf7d80a85ea1e95143821a02ed6df699db73a1a8c2d2b40ae2af9d9eda0468223. Chain 2 (Bitcoin): anchored in block 958377 (2026-07-17T06:48:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2599794 — a six-check JSON result.
    date published: 2026-07-17T06:48:00Z
  audio: Rap Original
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.441
    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: 0.663
    additional property: Energy
      type: PropertyValue
      value: 0.896
    additional property: Speechiness
      type: PropertyValue
      value: 0.486
    additional property: Acousticness
      type: PropertyValue
      value: 0.247
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.112
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.568
    additional property: Loudness (dB)
      type: PropertyValue
      value: -5.821
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dedicatoria
  type: MusicRecording
  duration: PT3M40S
  duration ms: 220357
  explicit: false
  by artist: Mc Gato Under
  in album: Rap Colombia en Español
    type: MusicAlbum
    date published: 2025-05-25
  isrc code: QZNJV2599796
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T08:18:09+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6c9b216b41a4ea8ffcb9faad1d78344a57287b32bede50d46c842f43e4ef78ec
  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/QZNJV2599796
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Dedicatoria

OTSTimestamp
type: PropertyValue
value: 2026-07-20T08:32:30Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6c9b216b41a4ea8ffcb9faad1d78344a57287b32bede50d46c842f43e4ef78ec. Chain 2 (Bitcoin): anchored in block 958850 (2026-07-20T08:32:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNJV2599796 — a six-check JSON result.
date published: 2026-07-20T08:32:30Z

Dedicatoria
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 84.709
additional property: Musical Key
  type: PropertyValue
  value: 8
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.618
additional property: Energy
  type: PropertyValue
  value: 0.589
additional property: Speechiness
  type: PropertyValue
  value: 0.334
additional property: Acousticness
  type: PropertyValue
  value: 0.546
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.301
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.591
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.888
additional property: Key Name
  type: PropertyValue
  value: Ab
additional property: Mode Name
  type: PropertyValue
  value: Major