Doris Ferrer
type: MusicGroup
genre: huayno
popularity: 33
followers: 2675
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbd996139b34e3121bd95cdc6ef31c664b3fe9803135aa1a4ad6f5961e98b3366
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/a05265ce-6174-426c-acdc-40de0ad16cdc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a05265ce-6174-426c-acdc-40de0ad16cdc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a05265ce-6174-426c-acdc-40de0ad16cdc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbd996139b34e3121bd95cdc6ef31c664b3fe9803135aa1a4ad6f5961e98b3366","name":"Doris Ferrer","registered_at":"2026-06-12T05:55:55Z","symbol":"NIM0207025","token_address":"0xa8e7808785e6025997c4666d13fcba9b455f38c5","type":"artist","uuid":"a05265ce-6174-426c-acdc-40de0ad16cdc"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd996139b34e3121bd95cdc6ef31c664b3fe9803135aa1a4ad6f5961e98b3366. 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/a05265ce-6174-426c-acdc-40de0ad16cdc.json and https://artists.proofprofile.net/proofs/artist/a05265ce-6174-426c-acdc-40de0ad16cdc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0xbd996139b34e3121bd95cdc6ef31c664b3fe9803135aa1a4ad6f5961e98b3366","name":"Doris Ferrer","registered_at":"2026-06-12T05:55:55Z","symbol":"NIM0207025","token_address":"0xa8e7808785e6025997c4666d13fcba9b455f38c5","type":"artist","uuid":"a05265ce-6174-426c-acdc-40de0ad16cdc"}
album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
  track: Tu Aniversario
    type: MusicRecording
    duration: PT3M11S
    duration ms: 191884
    explicit: false
    by artist: Doris Ferrer
    in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
      type: MusicAlbum
      date published: 2022-04-18
    genre: huayno
    isrc code: USDY42246153
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T10:25:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x201cc5faae061ac00e492db560dc7c426ddb5cdb04983697b719791e87880fac
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958146
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958146
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246153
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T10:33:22Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x201cc5faae061ac00e492db560dc7c426ddb5cdb04983697b719791e87880fac. Chain 2 (Bitcoin): anchored in block 958146 (2026-07-15T10:33:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246153.
      date published: 2026-07-15T10:33:22Z
    audio: Tu Aniversario
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 97.822
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.491
      additional property: Energy
        type: PropertyValue
        value: 0.658
      additional property: Speechiness
        type: PropertyValue
        value: 0.04
      additional property: Acousticness
        type: PropertyValue
        value: 0.043
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.666
      additional property: Liveness
        type: PropertyValue
        value: 0.368
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.609
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.68
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: El Divorcio
    type: MusicRecording
    duration: PT2M55S
    duration ms: 175405
    explicit: false
    by artist: Doris Ferrer
    in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
      type: MusicAlbum
      date published: 2022-04-18
    genre: huayno
    isrc code: USDY42246156
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T20:38:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb1ca158ede3f7162e5c813737ae19b45d0b176f4991553b1df29d6d21ac74aae
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956375
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956375
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246156
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T16:51:38Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb1ca158ede3f7162e5c813737ae19b45d0b176f4991553b1df29d6d21ac74aae. Chain 2 (Bitcoin): anchored in block 956375 (2026-07-02T16:51:38Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246156.
      date published: 2026-07-02T16:51:38Z
    audio: El Divorcio
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 93.748
      additional property: Musical Key
        type: PropertyValue
        value: 2
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.53
      additional property: Energy
        type: PropertyValue
        value: 0.487
      additional property: Speechiness
        type: PropertyValue
        value: 0.037
      additional property: Acousticness
        type: PropertyValue
        value: 0.745
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.082
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.7
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Incomprensión
  track: Cantando He de Morir
  track: Los Amantes
  track: Te Crees Divino
  track: Cuando Volverás
  track: Jugaste Con Mi Cariño
  track: Quisiera Estar Contigo
  track: Tus Caprichos
  track: Me Engañaste
  track: ¿Si Supieras por Qué Tomo?
  track: Triste Desengaño
  track: Tres Amores
album: Exitos de Oro, Vol. 1
album: Sigue Imparable
album: Llorarás Mi Ausencia
album: La Voz Que Acaricia
album: Linda Yauyinita
album: En Concierto...
album: La Yauyinita de Oro

Loudness (dB)
type: PropertyValue
value: -7.296

Key Name
type: PropertyValue
value: D

Mode Name
type: PropertyValue
value: Major

Incomprensión
type: MusicRecording
duration: PT3M8S
duration ms: 188294
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246160
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T03:26:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x91f11c896983a068f8e20441b79c5b6c244fbc2c43b6619d8bc9f4bf407da1da
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/USDY42246160
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x91f11c896983a068f8e20441b79c5b6c244fbc2c43b6619d8bc9f4bf407da1da. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246160.
  date published: 2026-07-03T08:56:35Z
audio: Incomprensión
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.331
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.442
  additional property: Energy
    type: PropertyValue
    value: 0.66
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.455
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.001
  additional property: Liveness
    type: PropertyValue
    value: 0.226
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.731
  additional property: Loudness (dB)
    type: PropertyValue
    value: -5.915
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cantando He de Morir
type: MusicRecording
duration: PT4M5S
duration ms: 245420
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246161
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:26:08+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe13c812b6f27a62f1870ad73152e5c2c45f4ac60b0154cba1a128b130f98ed73
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956405
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956405
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246161
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:39:31Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe13c812b6f27a62f1870ad73152e5c2c45f4ac60b0154cba1a128b130f98ed73. Chain 2 (Bitcoin): anchored in block 956405 (2026-07-17T04:39:31Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246161.
  date published: 2026-07-17T04:39:31Z
audio: Cantando He de Morir
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 143.873
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 1
  additional property: Danceability
    type: PropertyValue
    value: 0.344
  additional property: Energy
    type: PropertyValue
    value: 0.558
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.227
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.007
  additional property: Liveness
    type: PropertyValue
    value: 0.168
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.547
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.754
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Los Amantes
type: MusicRecording
duration: PT2M53S
duration ms: 173207
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246162
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T18:37:48+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xac414f6df43671d5f29b33017e933b1dc63761ce047a322c7355c4db8e23d90c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958319
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958319
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246162
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T21:40:51Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xac414f6df43671d5f29b33017e933b1dc63761ce047a322c7355c4db8e23d90c. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-16T21:40:51Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246162.
  date published: 2026-07-16T21:40:51Z
audio: Los Amantes
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.871
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.456
  additional property: Energy
    type: PropertyValue
    value: 0.528
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.275
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.054
  additional property: Liveness
    type: PropertyValue
    value: 0.175
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.567
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.106
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Te Crees Divino
type: MusicRecording
duration: PT3M29S
duration ms: 209466
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246163
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T20:13:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x54f3abc16496bb3b16b7e74c053eaa06ff6b603f5b2041031c150e6cf057e82c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956560
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956560
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246163
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T23:28:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x54f3abc16496bb3b16b7e74c053eaa06ff6b603f5b2041031c150e6cf057e82c. Chain 2 (Bitcoin): anchored in block 956560 (2026-07-03T23:28:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246163.
  date published: 2026-07-03T23:28:02Z
audio: Te Crees Divino
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.662
  additional property: Musical Key
    type: PropertyValue
    value: 4
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.449
  additional property: Energy
    type: PropertyValue
    value: 0.542
  additional property: Speechiness
    type: PropertyValue
    value: 0.055
  additional property: Acousticness
    type: PropertyValue
    value: 0.778
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.161
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.399
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.466
  additional property: Key Name
    type: PropertyValue
    value: E
  additional property: Mode Name
    type: PropertyValue
    value: Major

Cuando Volverás
type: MusicRecording
duration: PT3M13S
duration ms: 193833
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246164
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T03:46:01+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe923c2df743876d4b9072fc1a08237c835af9c225b76e608683d398651e45779
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958363
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958363
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246164
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:34:46Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe923c2df743876d4b9072fc1a08237c835af9c225b76e608683d398651e45779. Chain 2 (Bitcoin): anchored in block 958363 (2026-07-17T04:34:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246164.
  date published: 2026-07-17T04:34:46Z
audio: Cuando Volverás
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.497
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.306
  additional property: Energy
    type: PropertyValue
    value: 0.505
  additional property: Speechiness
    type: PropertyValue
    value: 0.035
  additional property: Acousticness
    type: PropertyValue
    value: 0.189
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.15
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.726
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.479
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

Jugaste Con Mi Cariño
type: MusicRecording
duration: PT3M25S
duration ms: 205737
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246165
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-15T15:25:19+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc4a86cfa68daf0e33938b5f66a1cf507d41ab0ac4397a00454409ce5276925e9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958166
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958166
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246165
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-15T18:27:23Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc4a86cfa68daf0e33938b5f66a1cf507d41ab0ac4397a00454409ce5276925e9. Chain 2 (Bitcoin): anchored in block 958166 (2026-07-15T18:27:23Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246165.
  date published: 2026-07-15T18:27:23Z
audio: Jugaste Con Mi Cariño
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 99.624
  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: 0.408
  additional property: Energy
    type: PropertyValue
    value: 0.602
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.583
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.436
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.415
  additional property: Loudness (dB)
    type: PropertyValue
    value: -7.377
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Quisiera Estar Contigo
type: MusicRecording
duration: PT3M40S
duration ms: 220552
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246166
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T19:52:14+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x1c87a07a876217339b2f521ffc93266df7f2460aca11daaa56697040fabc47e5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956576
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956576
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246166
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T02:06:47Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c87a07a876217339b2f521ffc93266df7f2460aca11daaa56697040fabc47e5. Chain 2 (Bitcoin): anchored in block 956576 (2026-07-04T02:06:47Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246166.
  date published: 2026-07-04T02:06:47Z
audio: Quisiera Estar Contigo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.022
  additional property: Musical Key
    type: PropertyValue
    value: 3
  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: 0.509
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.605
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.174
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.552
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.625
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tus Caprichos
type: MusicRecording
duration: PT2M59S
duration ms: 179331
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246167
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:18:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe36e2fb93e621dc4777dfe151bc4e762f587fcbe9d2909f01b0550b9ca7af72a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246167
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T10:20:17Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe36e2fb93e621dc4777dfe151bc4e762f587fcbe9d2909f01b0550b9ca7af72a. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T10:20:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246167.
  date published: 2026-07-16T10:20:17Z
audio: Tus Caprichos
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 94.504
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.516
  additional property: Energy
    type: PropertyValue
    value: 0.516
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.079
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.2
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.601
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.856
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Me Engañaste
type: MusicRecording
duration: PT2M39S
duration ms: 159145
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246168
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T09:33:06+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xaa30c90843c3d44d89105f9a29bdba62bd0dc51dfedad676d8b8bfa2abb99fc9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958276
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958276
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246168
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T12:34:12Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaa30c90843c3d44d89105f9a29bdba62bd0dc51dfedad676d8b8bfa2abb99fc9. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:34:12Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246168.
  date published: 2026-07-16T12:34:12Z
audio: Me Engañaste
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.706
  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: 0.484
  additional property: Energy
    type: PropertyValue
    value: 0.664
  additional property: Speechiness
    type: PropertyValue
    value: 0.056
  additional property: Acousticness
    type: PropertyValue
    value: 0.177
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.002
  additional property: Liveness
    type: PropertyValue
    value: 0.243
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.736
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.076
  additional property: Key Name
    type: PropertyValue
    value: F
  additional property: Mode Name
    type: PropertyValue
    value: Major

¿Si Supieras por Qué Tomo?
type: MusicRecording
duration: PT3M4S
duration ms: 184788
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246169
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T09:58:12+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08aca67d4befae67ac1178626490461e11c6d37f4f50d5566e2dcb63941b2024
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958395
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958395
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246169
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T10:10:33Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x08aca67d4befae67ac1178626490461e11c6d37f4f50d5566e2dcb63941b2024. Chain 2 (Bitcoin): anchored in block 958395 (2026-07-17T10:10:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246169.
  date published: 2026-07-17T10:10:33Z
audio: ¿Si Supieras por Qué Tomo?
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.632
  additional property: Musical Key
    type: PropertyValue
    value: 3
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.399
  additional property: Energy
    type: PropertyValue
    value: 0.654
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.562
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.298
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.706
  additional property: Loudness (dB)
    type: PropertyValue
    value: -4.565
  additional property: Key Name
    type: PropertyValue
    value: Eb
  additional property: Mode Name
    type: PropertyValue
    value: Major

Triste Desengaño
type: MusicRecording
duration: PT3M10S
duration ms: 190121
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246171
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:25:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8e41f00e777fe838cfc4de9c2e2f665befcfd5a383465a3834cab832d6b8575f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956404
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956404
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246171
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T04:42:09Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8e41f00e777fe838cfc4de9c2e2f665befcfd5a383465a3834cab832d6b8575f. Chain 2 (Bitcoin): anchored in block 956404 (2026-07-17T04:42:09Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246171.
  date published: 2026-07-17T04:42:09Z
audio: Triste Desengaño
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 96.848
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.446
  additional property: Energy
    type: PropertyValue
    value: 0.684
  additional property: Speechiness
    type: PropertyValue
    value: 0.031
  additional property: Acousticness
    type: PropertyValue
    value: 0.319
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.305
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.836
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.048
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Tres Amores
type: MusicRecording
duration: PT2M37S
duration ms: 157920
explicit: false
by artist: Doris Ferrer
in album: Exitos de Oro, Vol. 2: La Yauyinita de Oro
  type: MusicAlbum
  date published: 2022-04-18
genre: huayno
isrc code: USDY42246172
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T01:20:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xc407b93c0d9961d4313b44c24c19603be5f6a8013f49a5e3d07e9201a502e2f8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956500
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956500
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246172
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T13:55:21Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc407b93c0d9961d4313b44c24c19603be5f6a8013f49a5e3d07e9201a502e2f8. Chain 2 (Bitcoin): anchored in block 956500 (2026-07-03T13:55:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42246172.
  date published: 2026-07-03T13:55:21Z
audio: Tres Amores
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 101.646
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.403
  additional property: Energy
    type: PropertyValue
    value: 0.789
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.43
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.377
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.747
  additional property: Loudness (dB)
    type: PropertyValue
    value: -3.386
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Exitos de Oro, Vol. 1
type: MusicAlbum
date published: 2022-04-18
track: Mi Sufrimiento
  type: MusicRecording
  duration: PT2M40S
  duration ms: 160280
  explicit: false
  by artist: Doris Ferrer
  in album: Exitos de Oro, Vol. 1
    type: MusicAlbum
    date published: 2022-04-18
  genre: huayno
  isrc code: USDY42241606
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-02T21:26:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8d8d7014b0957431bd0735fcb943552a6f78e7dd1f27dbd123ab9a00e52c72d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956402
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956402
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42241606
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-17T04:40:17Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8d8d7014b0957431bd0735fcb943552a6f78e7dd1f27dbd123ab9a00e52c72d3. Chain 2 (Bitcoin): anchored in block 956402 (2026-07-17T04:40:17Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42241606.
    date published: 2026-07-17T04:40:17Z
  audio: Mi Sufrimiento
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.735
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.429
    additional property: Energy
      type: PropertyValue
      value: 0.653
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.365
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.037
    additional property: Liveness
      type: PropertyValue
      value: 0.252
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.482
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.461
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dejé a Mi Madre
  type: MusicRecording
  duration: PT3M7S
  duration ms: 187413
  explicit: false
  by artist: Doris Ferrer
  in album: Exitos de Oro, Vol. 1
    type: MusicAlbum
    date published: 2022-04-18
  genre: huayno
  isrc code: USDY42241608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T03:24:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x26fadd5584ce5b0192486009cb2c586946ada70b8f0069271962d2f7ff97d75c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956476
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956476
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42241608
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T09:04:44Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x26fadd5584ce5b0192486009cb2c586946ada70b8f0069271962d2f7ff97d75c. Chain 2 (Bitcoin): anchored in block 956476 (2026-07-03T09:04:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42241608.
    date published: 2026-07-03T09:04:44Z
  audio: Dejé a Mi Madre
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 92.617
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.502
    additional property: Energy
      type: PropertyValue
      value: 0.786
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.495
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.695
    additional property: Liveness
      type: PropertyValue
      value: 0.218
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.847
    additional property: Loudness (dB)
      type: PropertyValue
      value: -2.465
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major

Sigue Imparable
type: MusicAlbum
date published: 2022-11-17
track: Por Qué Has Cambiado
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237587
  explicit: false
  by artist: Doris Ferrer
  in album: Sigue Imparable
    type: MusicAlbum
    date published: 2022-11-17
  genre: huayno
  isrc code: QZW9M2203297
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T09:34:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd03b70eb510a0009693aef20e3dd63670237acffacefc1656df55797c52f3083
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2203297
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T12:36:04Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd03b70eb510a0009693aef20e3dd63670237acffacefc1656df55797c52f3083. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:36:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2203297.
    date published: 2026-07-16T12:36:04Z
  audio: Por Qué Has Cambiado
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 145.24
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.338
    additional property: Energy
      type: PropertyValue
      value: 0.638
    additional property: Speechiness
      type: PropertyValue
      value: 0.042
    additional property: Acousticness
      type: PropertyValue
      value: 0.249
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.01
    additional property: Liveness
      type: PropertyValue
      value: 0.115
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.702
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.761
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Cuando Volverás
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195314
  explicit: false
  by artist: Doris Ferrer
  in album: Sigue Imparable
    type: MusicAlbum
    date published: 2022-11-17
  genre: huayno
  isrc code: QZW9M2203301
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T17:50:50+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf0209c85d2e2ba0f81ae6e41cdad2ae2f6e7e8236f593009f07035864e42405c
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958920
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958920
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2203301
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T18:14:22Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf0209c85d2e2ba0f81ae6e41cdad2ae2f6e7e8236f593009f07035864e42405c. Chain 2 (Bitcoin): anchored in block 958920 (2026-07-20T18:14:22Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9M2203301.
    date published: 2026-07-20T18:14:22Z
  audio: Cuando Volverás
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 197.414
    additional property: Musical Key
      type: PropertyValue
      value: 5
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.323
    additional property: Energy
      type: PropertyValue
      value: 0.651
    additional property: Speechiness
      type: PropertyValue
      value: 0.039
    additional property: Acousticness
      type: PropertyValue
      value: 0.124
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.057
    additional property: Liveness
      type: PropertyValue
      value: 0.187
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.742
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.151
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Llorarás Mi Ausencia
type: MusicAlbum
date published: 2022-12-02

La Voz Que Acaricia
type: MusicAlbum
date published: 2022-12-23
track: No Me Olvides
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180827
  explicit: false
  by artist: Doris Ferrer
  in album: La Voz Que Acaricia
    type: MusicAlbum
    date published: 2022-12-23
  genre: huayno
  isrc code: QZW9N2262045
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T09:31:05+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc7ed7ab65ee32777616b812c5f98756b7bd0924acb19e52fae5adbed5a0e2461
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958276
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958276
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9N2262045
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T12:32:03Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc7ed7ab65ee32777616b812c5f98756b7bd0924acb19e52fae5adbed5a0e2461. Chain 2 (Bitcoin): anchored in block 958276 (2026-07-16T12:32:03Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZW9N2262045.
    date published: 2026-07-16T12:32:03Z
  audio: No Me Olvides
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.069
    additional property: Musical Key
      type: PropertyValue
      value: 0
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.469
    additional property: Energy
      type: PropertyValue
      value: 0.701
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.532
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.042
    additional property: Liveness
      type: PropertyValue
      value: 0.146
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.78
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.089
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Linda Yauyinita
type: MusicAlbum
date published: 2023-02-12
track: Por Tu Dia
  type: MusicRecording
  duration: PT2M48S
  duration ms: 168778
  explicit: false
  by artist: Doris Ferrer
  in album: Linda Yauyinita
    type: MusicAlbum
    date published: 2023-02-12
  genre: huayno
  isrc code: USDY42336678
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T13:10:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x289d946b6b1ce8ec6f387a4c12831ba4af8e8ac3eed5fc1b15d1cc6e926f6f01
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958742
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958742
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336678
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T16:11:42Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x289d946b6b1ce8ec6f387a4c12831ba4af8e8ac3eed5fc1b15d1cc6e926f6f01. Chain 2 (Bitcoin): anchored in block 958742 (2026-07-19T16:11:42Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336678.
    date published: 2026-07-19T16:11:42Z
  audio: Por Tu Dia
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 101.055
    additional property: Musical Key
      type: PropertyValue
      value: 2
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.466
    additional property: Energy
      type: PropertyValue
      value: 0.676
    additional property: Speechiness
      type: PropertyValue
      value: 0.034
    additional property: Acousticness
      type: PropertyValue
      value: 0.817
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.234
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.771
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.293
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Dos Besos
  type: MusicRecording
  duration: PT2M50S
  duration ms: 170998
  explicit: false
  by artist: Doris Ferrer
  in album: Linda Yauyinita
    type: MusicAlbum
    date published: 2023-02-12
  genre: huayno
  isrc code: USDY42336680
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T09:47:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1dae4d43da32326bdfccb1767ee5ea1939672060113c3e1042778d9eac504079
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958140
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958140
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336680
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T12:49:21Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
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    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1dae4d43da32326bdfccb1767ee5ea1939672060113c3e1042778d9eac504079. Chain 2 (Bitcoin): anchored in block 958140 (2026-07-15T12:49:21Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336680.
    date published: 2026-07-15T12:49:21Z
  audio: Dos Besos
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    additional property: Mode (Major/Minor)
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    additional property: Time Signature
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    additional property: Danceability
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    additional property: Energy
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    additional property: Speechiness
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    additional property: Acousticness
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    additional property: Instrumentalness
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    additional property: Liveness
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    additional property: Valence (Positivity)
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    additional property: Loudness (dB)
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      value: -3.694
    additional property: Key Name
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      value: B
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track: La Hierbabuena
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  in album: Linda Yauyinita
    type: MusicAlbum
    date published: 2023-02-12
  genre: huayno
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  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: La Hierbabuena
track: ¿Qué Tienes?
track: Mis Sentimientos
track: Corazón Humilde

OTSVerificationAPI
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value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336681

OTSTimestamp
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OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x97f20fd50353ee9dafcbad2b8225e28284833933dd3bb27d9f191b2e51c75b9f. Chain 2 (Bitcoin): anchored in block 956485 (2026-07-03T10:53:04Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336681.
date published: 2026-07-03T10:53:04Z

La Hierbabuena
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additional property: Tempo (BPM)
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additional property: Musical Key
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additional property: Mode (Major/Minor)
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additional property: Time Signature
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additional property: Danceability
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additional property: Energy
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additional property: Speechiness
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additional property: Acousticness
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additional property: Instrumentalness
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additional property: Liveness
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additional property: Valence (Positivity)
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additional property: Loudness (dB)
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additional property: Key Name
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additional property: Mode Name
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¿Qué Tienes?
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duration: PT2M42S
duration ms: 162090
explicit: false
by artist: Doris Ferrer
in album: Linda Yauyinita
  type: MusicAlbum
  date published: 2023-02-12
genre: huayno
isrc code: USDY42336682
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-20T21:30:54Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfc5727960d986e6a4ccfe8540a667c22579ccd98d52ac7283998890ef6db8816. Chain 2 (Bitcoin): anchored in block 958924 (2026-07-20T21:30:54Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336682.
  date published: 2026-07-20T21:30:54Z
audio: ¿Qué Tienes?
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  additional property: Tempo (BPM)
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  additional property: Musical Key
    type: PropertyValue
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
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  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
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  additional property: Instrumentalness
    type: PropertyValue
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Mode Name
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Mis Sentimientos
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duration: PT2M52S
duration ms: 172592
explicit: false
by artist: Doris Ferrer
in album: Linda Yauyinita
  type: MusicAlbum
  date published: 2023-02-12
genre: huayno
isrc code: USDY42336684
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958224
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336684
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T02:28:43Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xdb6a7db6fd75a24d86e34ac13fb744953e69feb0f315305cc0e44d6c36250032. Chain 2 (Bitcoin): anchored in block 958224 (2026-07-16T02:28:43Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336684.
  date published: 2026-07-16T02:28:43Z
audio: Mis Sentimientos
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  additional property: Tempo (BPM)
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  additional property: Musical Key
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  additional property: Mode (Major/Minor)
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  additional property: Time Signature
    type: PropertyValue
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  additional property: Danceability
    type: PropertyValue
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  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
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  additional property: Acousticness
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  additional property: Instrumentalness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Key Name
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Corazón Humilde
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duration: PT2M20S
duration ms: 140174
explicit: false
by artist: Doris Ferrer
in album: Linda Yauyinita
  type: MusicAlbum
  date published: 2023-02-12
genre: huayno
isrc code: USDY42336686
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xa75c5458d67c63a69ced80d22318fc560350415bed94c44256f9ec1cea7eaf23
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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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/USDY42336686
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
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa75c5458d67c63a69ced80d22318fc560350415bed94c44256f9ec1cea7eaf23. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USDY42336686.
  date published: 2026-07-04T10:04:33Z
audio: Corazón Humilde
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  additional property: Mode (Major/Minor)
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  additional property: Danceability
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En Concierto...
type: MusicAlbum
date published: 2023-05-24

La Yauyinita de Oro
type: MusicAlbum
date published: 2023-10-08