Los Hijos del Paraguay
type: MusicGroup
genre: polka
genre: traditional music
popularity: 24
followers: 3869
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9f0b0008266a8d0fa6b90b84da37869c93d0339d006e7ea4a824b459c4901ac4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8b3c5cc8-19e0-43b5-90b9-2fcd69040272.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8b3c5cc8-19e0-43b5-90b9-2fcd69040272.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8b3c5cc8-19e0-43b5-90b9-2fcd69040272
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9f0b0008266a8d0fa6b90b84da37869c93d0339d006e7ea4a824b459c4901ac4","name":"Los Hijos del Paraguay","registered_at":"2026-06-12T04:01:50Z","symbol":"NIM0180781","token_address":"0x79da472ddb4cd9bce3b970e20e3127c6ae8b77db","type":"artist","uuid":"8b3c5cc8-19e0-43b5-90b9-2fcd69040272"}
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 0x9f0b0008266a8d0fa6b90b84da37869c93d0339d006e7ea4a824b459c4901ac4. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8b3c5cc8-19e0-43b5-90b9-2fcd69040272.json and https://artists.proofprofile.net/proofs/artist/8b3c5cc8-19e0-43b5-90b9-2fcd69040272.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x9f0b0008266a8d0fa6b90b84da37869c93d0339d006e7ea4a824b459c4901ac4","name":"Los Hijos del Paraguay","registered_at":"2026-06-12T04:01:50Z","symbol":"NIM0180781","token_address":"0x79da472ddb4cd9bce3b970e20e3127c6ae8b77db","type":"artist","uuid":"8b3c5cc8-19e0-43b5-90b9-2fcd69040272"}
album: Las canciones mas típicas de nuestra tierra
  type: MusicAlbum
  date published: 1990
album: Las canciones mas típicas de nuestra tierra
  type: MusicAlbum
  date published: 1990
  track: Recuerdos de ypacarai - Version guarania
    type: MusicRecording
    duration: PT3M12S
    duration ms: 192580
    explicit: false
    by artist: Los Hijos del Paraguay
    in album: Las canciones mas típicas de nuestra tierra
      type: MusicAlbum
      date published: 1990
    genre: polka
    genre: traditional music
    isrc code: ES18B1500571
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T21:18:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xafba0e6bde427bd81af06f7ec982ba0d271b3760647d487ed47b16abefcd1fa0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956725
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956725
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500571
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:12:41Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xafba0e6bde427bd81af06f7ec982ba0d271b3760647d487ed47b16abefcd1fa0. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500571 — a six-check JSON result.
      date published: 2026-07-05T01:12:41Z
    audio: Recuerdos de ypacarai - Version guarania
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 91.487
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.666
      additional property: Energy
        type: PropertyValue
        value: 0.47
      additional property: Speechiness
        type: PropertyValue
        value: 0.027
      additional property: Acousticness
        type: PropertyValue
        value: 0.578
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.083
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.703
      additional property: Loudness (dB)
        type: PropertyValue
        value: -3.257
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Galopera - Version polca
    type: MusicRecording
    duration: PT3M29S
    duration ms: 209428
    explicit: false
    by artist: Los Hijos del Paraguay
    in album: Las canciones mas típicas de nuestra tierra
      type: MusicAlbum
      date published: 1990
    genre: polka
    genre: traditional music
    isrc code: ES18B1500572
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T12:58:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa8048b1e495435955c56e34a2d31a9592b57cec485cad58a1ff7a33b35408b48
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958157
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958157
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500572
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T13:14:32Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa8048b1e495435955c56e34a2d31a9592b57cec485cad58a1ff7a33b35408b48. Chain 2 (Bitcoin): anchored in block 958157 (2026-07-15T13:14:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500572 — a six-check JSON result.
      date published: 2026-07-15T13:14:32Z
    audio: Galopera - Version polca
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.845
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 1
      additional property: Danceability
        type: PropertyValue
        value: 0.531
      additional property: Energy
        type: PropertyValue
        value: 0.71
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.678
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Bienvenido hermano extranjero - Version guarania
  track: Canto al Paraguay - Version polca
album: Homenaje a La Selección Paraguaya de Futbol
album: Palomita mia
album: Mi Primera Serenata
album: Exitos de Siempre
album: Emiliano ré vol. 2
album: Felicidades!
album: Emiliano ré vol. 1
album: Emiliano ré vol. 4
album: Emiliano ré vol. 3
album: Grandes Éxitos Vol. 2
track: Añemyro Nendive
track: Ahama che china (Che la reina)
track: Falso Juramento
track: Bella Flor del Paraguay
track: Trigueñita
track: Che La Reina
track: Bravo Paraguay

Liveness
type: PropertyValue
value: 0.22

Valence (Positivity)
type: PropertyValue
value: 0.718

Loudness (dB)
type: PropertyValue
value: -3.719

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Major

Bienvenido hermano extranjero - Version guarania
type: MusicRecording
duration: PT2M47S
duration ms: 167476
explicit: false
by artist: Los Hijos del Paraguay
in album: Las canciones mas típicas de nuestra tierra
  type: MusicAlbum
  date published: 1990
genre: polka
genre: traditional music
isrc code: ES18B1500575
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-20T18:37:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfc73cbdd0ddac1fa413f98315f22ce9878a67cc556af134cce180676f4227a3d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958924
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958924
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500575
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T18:54:07Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc73cbdd0ddac1fa413f98315f22ce9878a67cc556af134cce180676f4227a3d. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T18:54:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500575 — a six-check JSON result.
  date published: 2026-07-20T18:54:07Z
audio: Bienvenido hermano extranjero - Version guarania
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 86.772
  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: 0.506
  additional property: Energy
    type: PropertyValue
    value: 0.49
  additional property: Speechiness
    type: PropertyValue
    value: 0.032
  additional property: Acousticness
    type: PropertyValue
    value: 0.78
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.74
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.156
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Canto al Paraguay - Version polca
type: MusicRecording
duration: PT2M38S
duration ms: 158202
explicit: false
by artist: Los Hijos del Paraguay
in album: Las canciones mas típicas de nuestra tierra
  type: MusicAlbum
  date published: 1990
genre: polka
genre: traditional music
isrc code: ES18B1500577
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:51:15+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa86cacf95de2b8f4354f872d7160cc9e769ea7180c1c1c85fe88b4edd8cda161
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958063
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500577
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T21:07:34Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xa86cacf95de2b8f4354f872d7160cc9e769ea7180c1c1c85fe88b4edd8cda161. Chain 2 (Bitcoin): anchored in block 958063 (2026-07-14T21:07:34Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1500577 — a six-check JSON result.
  date published: 2026-07-14T21:07:34Z
audio: Canto al Paraguay - Version polca
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 110.861
  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: 0.652
  additional property: Energy
    type: PropertyValue
    value: 0.707
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.636
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.198
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.77
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.57
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Homenaje a La Selección Paraguaya de Futbol
type: MusicAlbum
date published: 1997
track: A la Querida Albirroja
  type: MusicRecording
  duration: PT3M29S
  duration ms: 209840
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Homenaje a La Selección Paraguaya de Futbol
    type: MusicAlbum
    date published: 1997
  genre: polka
  genre: traditional music
  isrc code: ES18B2301517
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T00:33:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x42c36b09716dd6b865a77fde18779fb6ea0f5fcdefb46dfff326c4c2437bb188
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959084
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959084
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B2301517
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T00:50:00Z
  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 0x42c36b09716dd6b865a77fde18779fb6ea0f5fcdefb46dfff326c4c2437bb188. Chain 2 (Bitcoin): anchored in block 959084 (2026-07-22T00:50:00Z), 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/ES18B2301517 — a six-check JSON result.
    date published: 2026-07-22T00:50:00Z
  audio: A la Querida Albirroja
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 126.602
    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: 0.706
    additional property: Energy
      type: PropertyValue
      value: 0.705
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.484
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.596
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.803
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.33
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

Palomita mia
type: MusicAlbum
date published: 2015-01-01

Mi Primera Serenata
type: MusicAlbum
date published: 2015-01-01

Exitos de Siempre
type: MusicAlbum
date published: 2015-01-01

Emiliano ré vol. 2
type: MusicAlbum
date published: 2018-06-10

Felicidades!
type: MusicAlbum
date published: 2018-06-10

Felicidades!
type: MusicAlbum
date published: 2018-06-10
track: Para tí madre querida
  type: MusicRecording
  duration: PT2M32S
  duration ms: 152142
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Felicidades!
    type: MusicAlbum
    date published: 2018-06-10
  genre: polka
  genre: traditional music
  isrc code: ES18B1805311
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T15:31:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x164a6a184728857f8853b2669a3ee212cb612b2fda3258f55eb7c58a42783ac6
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956725
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956725
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805311
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:12:41Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x164a6a184728857f8853b2669a3ee212cb612b2fda3258f55eb7c58a42783ac6. Chain 2 (Bitcoin): anchored in block 956725 (2026-07-05T01:12:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805311 — a six-check JSON result.
    date published: 2026-07-05T01:12:41Z
  audio: Para tí madre querida
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.298
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.489
    additional property: Energy
      type: PropertyValue
      value: 0.547
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.907
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.267
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.897
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.213
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Emiliano ré vol. 1
type: MusicAlbum
date published: 2018-06-10

Emiliano ré vol. 2
type: MusicAlbum
date published: 2018-06-10
track: Che esperanza poraite
  type: MusicRecording
  duration: PT2M47S
  duration ms: 167580
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 2
    type: MusicAlbum
    date published: 2018-06-10
  genre: polka
  genre: traditional music
  isrc code: ES18B1805343
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-12T09:49:07+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe6802849a88e0d1dd74b87ad5ed1f033b8711d7a6b18bb166c6c6ccd0d398136
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957689
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/957689
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805343
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-12T10:12:33Z
  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 0xe6802849a88e0d1dd74b87ad5ed1f033b8711d7a6b18bb166c6c6ccd0d398136. Chain 2 (Bitcoin): anchored in block 957689 (2026-07-12T10:12:33Z), 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/ES18B1805343 — a six-check JSON result.
    date published: 2026-07-12T10:12:33Z
  audio: Che esperanza poraite
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.062
    additional property: Musical Key
      type: PropertyValue
      value: 11
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 1
    additional property: Danceability
      type: PropertyValue
      value: 0.65
    additional property: Energy
      type: PropertyValue
      value: 0.348
    additional property: Speechiness
      type: PropertyValue
      value: 0.168
    additional property: Acousticness
      type: PropertyValue
      value: 0.441
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.176
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.907
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.151
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Apytare tyre´y
  type: MusicRecording
  duration: PT2M43S
  duration ms: 163009
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 2
    type: MusicAlbum
    date published: 2018-06-10
  genre: polka
  genre: traditional music
  isrc code: ES18B1805344
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-29T14:04:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9d664db3f085d8d4387da5bfb335326c2eb29b68ae16269a55d7dce9095c7124
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805344
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9d664db3f085d8d4387da5bfb335326c2eb29b68ae16269a55d7dce9095c7124. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805344 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Apytare tyre´y
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 155.108
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.564
    additional property: Energy
      type: PropertyValue
      value: 0.405
    additional property: Speechiness
      type: PropertyValue
      value: 0.122
    additional property: Acousticness
      type: PropertyValue
      value: 0.767
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.241
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.926
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.072
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Emiliano ré vol. 4
type: MusicAlbum
date published: 2018-06-15
track: Falso Juramento
  type: MusicRecording
  duration: PT2M17S
  duration ms: 137592
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 4
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805478
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T08:10:20+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe88d92e87b1fa8fcc989fe2cd5196296611dc20b1f56990f51ac723920f5ef2f
  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/ES18B1805478
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xe88d92e87b1fa8fcc989fe2cd5196296611dc20b1f56990f51ac723920f5ef2f. 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/ES18B1805478 — a six-check JSON result.
    date published: 2026-07-03T08:56:35Z
  audio: Falso Juramento
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 152.904
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.589
    additional property: Energy
      type: PropertyValue
      value: 0.539
    additional property: Speechiness
      type: PropertyValue
      value: 0.044
    additional property: Acousticness
      type: PropertyValue
      value: 0.682
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.102
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.968
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.071
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Desde el cautiverio
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138193
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 4
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805480
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T16:27:06+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x680f6aa2a219423542ff3a79536b01a20550f6a9687f3a957f01b7c993380e78
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805480
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x680f6aa2a219423542ff3a79536b01a20550f6a9687f3a957f01b7c993380e78. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805480 — a six-check JSON result.
    date published: 2026-07-05T19:27:56Z
  audio: Desde el cautiverio
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 153.133
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.522
    additional property: Energy
      type: PropertyValue
      value: 0.472
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.771
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.898
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.146
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Al cavo peina ayu
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117634
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 4
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805483
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T17:45:48+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xfe6abe611b00e1d41284fcb0d24222a3c0bc9473edae4a056879560d8da24f6d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958444
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Al cavo peina ayu

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958444

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805483

OTSTimestamp
type: PropertyValue
value: 2026-07-17T19:12:23Z

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 0xfe6abe611b00e1d41284fcb0d24222a3c0bc9473edae4a056879560d8da24f6d. Chain 2 (Bitcoin): anchored in block 958444 (2026-07-17T19:12:23Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805483 — a six-check JSON result.
date published: 2026-07-17T19:12:23Z

Al cavo peina ayu
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 151.673
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.566
additional property: Energy
  type: PropertyValue
  value: 0.556
additional property: Speechiness
  type: PropertyValue
  value: 0.05
additional property: Acousticness
  type: PropertyValue
  value: 0.726
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.148
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.954
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.65
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

Emiliano ré vol. 3
type: MusicAlbum
date published: 2018-06-15
track: Bella flor del Paraguay
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150000
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 3
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805450
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:40:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9cdcb70fea9c0c71cb643fff4eaf88461df9b2f7b3b7c7f20c553d06e530bdda
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805450
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x9cdcb70fea9c0c71cb643fff4eaf88461df9b2f7b3b7c7f20c553d06e530bdda. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805450 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Bella flor del Paraguay
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 163.581
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.535
    additional property: Energy
      type: PropertyValue
      value: 0.641
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.309
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.334
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.972
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.577
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Tupasy del campo
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173197
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 3
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805451
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T22:20:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6b94c997f9959c7776d3a5b0a7c215271b53cc4887edbd70d61220d310f3511f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805451
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x6b94c997f9959c7776d3a5b0a7c215271b53cc4887edbd70d61220d310f3511f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805451 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Tupasy del campo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 169.733
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.471
    additional property: Energy
      type: PropertyValue
      value: 0.675
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.729
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.342
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.963
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.652
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Al taita Emiliano R. Fernández
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157262
  explicit: false
  by artist: Los Hijos del Paraguay
  in album: Emiliano ré vol. 3
    type: MusicAlbum
    date published: 2018-06-15
  genre: polka
  genre: traditional music
  isrc code: ES18B1805452
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T03:50:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xee22f5e943002d75d015a82c7233c60b75af2b091767cb71b8f2230ed31b0f0f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Al taita Emiliano R. Fernández
track: 13 Tuyuti
track: Dulce del alma
track: Tyre´yma apyta
track: Adiós Rosita

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956634

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805452

OTSTimestamp
type: PropertyValue
value: 2026-07-04T10:04:33Z

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 0xee22f5e943002d75d015a82c7233c60b75af2b091767cb71b8f2230ed31b0f0f. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805452 — a six-check JSON result.
date published: 2026-07-04T10:04:33Z

Al taita Emiliano R. Fernández
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 169.265
additional property: Musical Key
  type: PropertyValue
  value: 7
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 1
additional property: Time Signature
  type: PropertyValue
  value: 3
additional property: Danceability
  type: PropertyValue
  value: 0.514
additional property: Energy
  type: PropertyValue
  value: 0.737
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.775
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.067
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.975
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.18
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

13 Tuyuti
type: MusicRecording
duration: PT2M18S
duration ms: 138166
explicit: false
by artist: Los Hijos del Paraguay
in album: Emiliano ré vol. 3
  type: MusicAlbum
  date published: 2018-06-15
genre: polka
genre: traditional music
isrc code: ES18B1805453
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T22:51:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf84570c78b97b8c8fa2838fc57ba7b502f118c0cb3a210ff2118a301a2a9cb53
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958340
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958340
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805453
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T00:53:26Z
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 0xf84570c78b97b8c8fa2838fc57ba7b502f118c0cb3a210ff2118a301a2a9cb53. Chain 2 (Bitcoin): anchored in block 958340 (2026-07-17T00:53:26Z), 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/ES18B1805453 — a six-check JSON result.
  date published: 2026-07-17T00:53:26Z
audio: 13 Tuyuti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 164.182
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.511
  additional property: Energy
    type: PropertyValue
    value: 0.721
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.7
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.257
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.967
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.272
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dulce del alma
type: MusicRecording
duration: PT2M53S
duration ms: 173301
explicit: false
by artist: Los Hijos del Paraguay
in album: Emiliano ré vol. 3
  type: MusicAlbum
  date published: 2018-06-15
genre: polka
genre: traditional music
isrc code: ES18B1805455
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T16:08:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5f743f40d96b33f4edc8eaddb6f0add95c2e18ac554bcb8cd6db05d3a6a37a26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958316
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958316
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805455
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T19:42:29Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x5f743f40d96b33f4edc8eaddb6f0add95c2e18ac554bcb8cd6db05d3a6a37a26. Chain 2 (Bitcoin): anchored in block 958316 (2026-07-16T19:42:29Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805455 — a six-check JSON result.
  date published: 2026-07-16T19:42:29Z
audio: Dulce del alma
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 178.195
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.536
  additional property: Energy
    type: PropertyValue
    value: 0.654
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.712
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.972
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.014
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tyre´yma apyta
type: MusicRecording
duration: PT3M31S
duration ms: 211988
explicit: false
by artist: Los Hijos del Paraguay
in album: Emiliano ré vol. 3
  type: MusicAlbum
  date published: 2018-06-15
genre: polka
genre: traditional music
isrc code: ES18B1805456
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T22:43:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd8f1ed572db85c170c93fba12a6f908589f9d07b12418dc533cc06253ba8356
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956856
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956856
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805456
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-06T01:25:57Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd8f1ed572db85c170c93fba12a6f908589f9d07b12418dc533cc06253ba8356. Chain 2 (Bitcoin): anchored in block 956856 (2026-07-06T01:25:57Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805456 — a six-check JSON result.
  date published: 2026-07-06T01:25:57Z
audio: Tyre´yma apyta
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 170.082
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.486
  additional property: Energy
    type: PropertyValue
    value: 0.688
  additional property: Speechiness
    type: PropertyValue
    value: 0.06
  additional property: Acousticness
    type: PropertyValue
    value: 0.682
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.193
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.962
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.913
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Adiós Rosita
type: MusicRecording
duration: PT2M26S
duration ms: 146343
explicit: false
by artist: Los Hijos del Paraguay
in album: Emiliano ré vol. 3
  type: MusicAlbum
  date published: 2018-06-15
genre: polka
genre: traditional music
isrc code: ES18B1805457
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-14T20:29:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xee639f74fc90fe1810300789f3672b4f717b5ae06242d51f5937b6104325a852
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958060
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958060
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805457
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-14T20:39:42Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0xee639f74fc90fe1810300789f3672b4f717b5ae06242d51f5937b6104325a852. Chain 2 (Bitcoin): anchored in block 958060 (2026-07-14T20:39:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805457 — a six-check JSON result.
  date published: 2026-07-14T20:39:42Z
audio: Adiós Rosita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.539
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.496
  additional property: Energy
    type: PropertyValue
    value: 0.474
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.493
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.077
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.954
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.764
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Emiliano ré vol. 3
type: MusicAlbum
date published: 2018-06-15

Emiliano ré vol. 4
type: MusicAlbum
date published: 2018-06-15

Grandes Éxitos Vol. 2
type: MusicAlbum
date published: 2020-03-02

Grandes Éxitos Vol. 2
type: MusicAlbum
date published: 2020-03-02

Añemyro Nendive
type: MusicRecording
duration: PT3M2S
duration ms: 182506
explicit: false
by artist: Los Hijos del Paraguay
in album: Los Mejores 25 Éxitos - Emiliano R. Fernandez
  type: MusicAlbum
  date published: 2022-08-11
popularity: 5
isrc code: PYC842201004
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T01:02:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4f24e5322eb9d9a0afd7bb805aef00bf7b066921429527b455b3df4914e01d17
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960185
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960185
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYC842201004
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T01:32:48Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x4f24e5322eb9d9a0afd7bb805aef00bf7b066921429527b455b3df4914e01d17. Chain 2 (Bitcoin): anchored in block 960185 (2026-07-30T01:32:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYC842201004 — a six-check JSON result.
  date published: 2026-07-30T01:32:48Z
audio: Añemyro Nendive
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.425
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.692
  additional property: Energy
    type: PropertyValue
    value: 0.735
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.577
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.083
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.931
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.848
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ahama che china (Che la reina)
type: MusicRecording
duration: PT3M5S
duration ms: 185129
explicit: false
by artist: Los Hijos del Paraguay
in album: Álbum musical del Paraguay CD. 2
  type: MusicAlbum
  date published: 2018-07-11
popularity: 4
isrc code: ES18B1805611
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T19:25:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb1d779a2df6892b25c1127b4ef4cc84eb55ee35bfbd6d147a01e73a9ca2110ac
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ES18B1805611
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T19:42:40Z
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 0xb1d779a2df6892b25c1127b4ef4cc84eb55ee35bfbd6d147a01e73a9ca2110ac. Chain 2 (Bitcoin): anchored in block 960300 (2026-07-30T19:42:40Z), 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/ES18B1805611 — a six-check JSON result.
  date published: 2026-07-30T19:42:40Z
audio: Ahama che china (Che la reina)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 168.387
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.49
  additional property: Energy
    type: PropertyValue
    value: 0.664
  additional property: Speechiness
    type: PropertyValue
    value: 0.046
  additional property: Acousticness
    type: PropertyValue
    value: 0.407
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.113
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.963
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.093
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Falso Juramento
type: MusicRecording
duration: PT2M15S
duration ms: 135733
explicit: false
by artist: Los Hijos del Paraguay
in album: Los Mejores 25 Éxitos - Emiliano R. Fernandez
  type: MusicAlbum
  date published: 2022-08-11
popularity: 4
isrc code: PYA031700222
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T23:55:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27f767cfc1e3523c1dae681228df4d12a531d97ce052fd424ec7a2e04ceb36e2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYA031700222
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 0x27f767cfc1e3523c1dae681228df4d12a531d97ce052fd424ec7a2e04ceb36e2. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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/PYA031700222 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Falso Juramento
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.617
  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: 0.575
  additional property: Energy
    type: PropertyValue
    value: 0.75
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.642
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.112
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.97
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.794
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bella Flor del Paraguay
type: MusicRecording
duration: PT2M36S
duration ms: 156320
explicit: false
by artist: Los Hijos del Paraguay
in album: Los Mejores 25 Éxitos - Emiliano R. Fernandez
  type: MusicAlbum
  date published: 2022-08-11
popularity: 4
isrc code: PYA031700096
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T07:19:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x01764caff29a9c8b4a388dd00010ac6b7226799640660557bdc795ff2d7ca6c1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960223
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960223
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYA031700096
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-30T07:51:46Z
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 0x01764caff29a9c8b4a388dd00010ac6b7226799640660557bdc795ff2d7ca6c1. Chain 2 (Bitcoin): anchored in block 960223 (2026-07-30T07:51:46Z), 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/PYA031700096 — a six-check JSON result.
  date published: 2026-07-30T07:51:46Z
audio: Bella Flor del Paraguay
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 154.222
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.548
  additional property: Energy
    type: PropertyValue
    value: 0.685
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.611
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.972
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.346
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Major

Trigueñita
type: MusicRecording
duration: PT2M4S
duration ms: 124013
explicit: false
by artist: Los Hijos del Paraguay
in album: Los Mejores 25 Éxitos - Emiliano R. Fernandez
  type: MusicAlbum
  date published: 2022-08-11
popularity: 4
isrc code: PYA031700079
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-06T23:24:44+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf1ef647822b3896d7e7441c91ed725657aeaf8248e7fc7b41787ad68f567c404
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/PYA031700079
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 0xf1ef647822b3896d7e7441c91ed725657aeaf8248e7fc7b41787ad68f567c404. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYA031700079 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Trigueñita
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 159.256
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.49
  additional property: Energy
    type: PropertyValue
    value: 0.819
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.592
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.216
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.967
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.144
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Che La Reina
type: MusicRecording
duration: PT3M3S
duration ms: 183515
explicit: false
by artist: Los Hijos del Paraguay
in album: Los Mejores 25 Éxitos - Emiliano R. Fernandez
  type: MusicAlbum
  date published: 2022-08-11
popularity: 3
isrc code: PYA031700109
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T07:02:42+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x290b93ffc39f10cb2b2751984a1ea8932a489b10242ee27b123e506a88421040
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/PYA031700109
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 0x290b93ffc39f10cb2b2751984a1ea8932a489b10242ee27b123e506a88421040. 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYA031700109 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Che La Reina
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.772
  additional property: Musical Key
    type: PropertyValue
    value: 5
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.499
  additional property: Speechiness
    type: PropertyValue
    value: 0.049
  additional property: Acousticness
    type: PropertyValue
    value: 0.632
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.266
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.919
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.473
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

Bravo Paraguay
type: MusicRecording
duration: PT1M55S
duration ms: 115914
explicit: false
by artist: Los Hijos del Paraguay
in album: Sonidos de Mi Tierra 5
  type: MusicAlbum
  date published: 2003-12-12
isrc code: PYE762100064
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-08-01T03:37:27+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x99913657ade7362938b252ba7947b903e944beb8946b768d42aa91e353c0b952
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960506
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960506
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/PYE762100064
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-08-01T03:50:58Z
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 0x99913657ade7362938b252ba7947b903e944beb8946b768d42aa91e353c0b952. Chain 2 (Bitcoin): anchored in block 960506 (2026-08-01T03:50:58Z), 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/PYE762100064 — a six-check JSON result.
  date published: 2026-08-01T03:50:58Z
audio: Bravo Paraguay
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 135.562
  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: 0.643
  additional property: Energy
    type: PropertyValue
    value: 0.424
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.582
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.154
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.888
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.783
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major