Jose Antonio Sainz
type: MusicGroup
popularity: 2
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0ee6465f6616d05b10e5536f0ca70046e1999f2948ac8cdc98b11f9c33125fb8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954050
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954050
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42cdb981-9110-4748-8b01-af6ac09d47ac.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/42cdb981-9110-4748-8b01-af6ac09d47ac.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/42cdb981-9110-4748-8b01-af6ac09d47ac
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T05:14:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0ee6465f6616d05b10e5536f0ca70046e1999f2948ac8cdc98b11f9c33125fb8","name":"Jose Antonio Sainz","registered_at":"2026-06-16T12:53:37Z","symbol":"NIM1058066","token_address":"0x3a27d1cec94956e5ee1fbf5b8a5748d788fe8644","type":"artist","uuid":"42cdb981-9110-4748-8b01-af6ac09d47ac"}
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 0x0ee6465f6616d05b10e5536f0ca70046e1999f2948ac8cdc98b11f9c33125fb8. Chain 2 (Bitcoin): anchored in block 954050 (2026-06-17T05:14:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/42cdb981-9110-4748-8b01-af6ac09d47ac.json and https://artists.proofprofile.net/proofs/artist/42cdb981-9110-4748-8b01-af6ac09d47ac.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T05:14:33Z
  text: {"copyright_id":"0x0ee6465f6616d05b10e5536f0ca70046e1999f2948ac8cdc98b11f9c33125fb8","name":"Jose Antonio Sainz","registered_at":"2026-06-16T12:53:37Z","symbol":"NIM1058066","token_address":"0x3a27d1cec94956e5ee1fbf5b8a5748d788fe8644","type":"artist","uuid":"42cdb981-9110-4748-8b01-af6ac09d47ac"}
track: Il Trovatore, "Coro de zingaros": Il Trovatore, "Coro de zingaros"
  type: MusicRecording
  duration: PT3M3S
  duration ms: 183266
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Orfeon Donostiarra
  by artist: Orquesta Sinfonica De Tenerife
  by artist: Jose Antonio Sainz
  by artist: Victor Pablo Pérez
  in album: Mozart: La Flauta Mágica, Weber: El Cazador Furtivo - Grandes Coros de Ópera
    type: MusicAlbum
    date published: 1999
  genre: classical
  genre: opera
  isrc code: ES5300715330
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T05:09:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x86704cbb575a3e97fb763b6ae55232531d3ff361aae1b2d769e451cd59f4ac5d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5300715330
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 0x86704cbb575a3e97fb763b6ae55232531d3ff361aae1b2d769e451cd59f4ac5d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5300715330.
    date published: 2026-07-08T03:20:19Z
  audio: Il Trovatore, "Coro de zingaros": Il Trovatore, "Coro de zingaros"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 137.449
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.429
    additional property: Energy
      type: PropertyValue
      value: 0.194
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.903
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.004
    additional property: Liveness
      type: PropertyValue
      value: 0.059
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.249
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.106
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Aida, "Gloria all'egitto": Aida, "Gloria all'egitto"
  type: MusicRecording
  duration: PT7M39S
  duration ms: 459466
  explicit: false
  by artist: Giuseppe Verdi
  by artist: Orfeon Donostiarra
  by artist: Orquesta Sinfonica De Tenerife
  by artist: Jose Antonio Sainz
  by artist: Victor Pablo Pérez
  in album: Mozart: La Flauta Mágica, Weber: El Cazador Furtivo - Grandes Coros de Ópera
    type: MusicAlbum
    date published: 1999
  genre: classical
  genre: opera
  isrc code: ES5300715331
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-07T10:49:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x887b6817bde205d2ff13ee77fbf0256cee721e5498328da8b84594552c7721e9
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5300715331
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  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 0x887b6817bde205d2ff13ee77fbf0256cee721e5498328da8b84594552c7721e9. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5300715331.
    date published: 2026-07-08T03:20:19Z
  audio: Aida, "Gloria all'egitto": Aida, "Gloria all'egitto"
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 119.722
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.315
    additional property: Energy
      type: PropertyValue
      value: 0.152
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.974
    additional property: Instrumentalness
    additional property: Liveness
    additional property: Valence (Positivity)
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: El Principe Igor, "Danza Polovtsiana, No. 17": El Principe Igor, "Danza Polovtsiana, No. 17"
track: Nabucco, "Va pensiero": Nabucco, "Va pensiero"

Instrumentalness
type: PropertyValue
value: 0.617

Liveness
type: PropertyValue
value: 0.109

Valence (Positivity)
type: PropertyValue
value: 0.235

Loudness (dB)
type: PropertyValue
value: -21.256

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Major

El Principe Igor, "Danza Polovtsiana, No. 17": El Principe Igor, "Danza Polovtsiana, No. 17"
type: MusicRecording
duration: PT11M59S
duration ms: 719000
explicit: false
by artist: Alexander Borodin
by artist: Orfeon Donostiarra
by artist: Orquesta Sinfonica De Tenerife
by artist: Jose Antonio Sainz
by artist: Victor Pablo Pérez
in album: Mozart: La Flauta Mágica, Weber: El Cazador Furtivo - Grandes Coros de Ópera
  type: MusicAlbum
  date published: 1999
genre: classical
genre: late-romantic-era
genre: early-modern-classical
genre: russian-romanticism
isrc code: ES5300715333
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:00:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66174aa4a5f7de401fe37d9ad1f4915e5787f7a15b7398c9b0305d82f5d2bfb4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5300715333
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x66174aa4a5f7de401fe37d9ad1f4915e5787f7a15b7398c9b0305d82f5d2bfb4. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5300715333.
  date published: 2026-07-08T03:20:19Z
audio: El Principe Igor, "Danza Polovtsiana, No. 17": El Principe Igor, "Danza Polovtsiana, No. 17"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 118.696
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.211
  additional property: Energy
    type: PropertyValue
    value: 0.182
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.957
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.475
  additional property: Liveness
    type: PropertyValue
    value: 0.676
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.067
  additional property: Loudness (dB)
    type: PropertyValue
    value: -22.616
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Nabucco, "Va pensiero": Nabucco, "Va pensiero"
type: MusicRecording
duration: PT5M42S
duration ms: 342586
explicit: false
by artist: Giuseppe Verdi
by artist: Orfeon Donostiarra
by artist: Orquesta Sinfonica De Tenerife
by artist: Jose Antonio Sainz
by artist: Victor Pablo Pérez
in album: Mozart: La Flauta Mágica, Weber: El Cazador Furtivo - Grandes Coros de Ópera
  type: MusicAlbum
  date published: 1999
genre: classical
genre: opera
isrc code: ES5300715334
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:25:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x646473027f446c76fd24709737aa00d0b161943e05b638faf20497be07904cea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES5300715334
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 0x646473027f446c76fd24709737aa00d0b161943e05b638faf20497be07904cea. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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/ES5300715334.
  date published: 2026-07-08T03:20:19Z
audio: Nabucco, "Va pensiero": Nabucco, "Va pensiero"
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.456
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.196
  additional property: Energy
    type: PropertyValue
    value: 0.114
  additional property: Speechiness
    type: PropertyValue
    value: 0.061
  additional property: Acousticness
    type: PropertyValue
    value: 0.984
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.651
  additional property: Liveness
    type: PropertyValue
    value: 0.688
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.105
  additional property: Loudness (dB)
    type: PropertyValue
    value: -24.57
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major