Cordas do Sol
type: MusicGroup
genre: kizomba
genre: traditional music
popularity: 30
followers: 9189
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf89d599a0ab1ef00732c3101a35aac2dd4fe04cd95a32d859ee0cde98a4cd117
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/dd7dcd8e-931b-41b9-a39d-30b3cba08bb2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dd7dcd8e-931b-41b9-a39d-30b3cba08bb2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dd7dcd8e-931b-41b9-a39d-30b3cba08bb2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf89d599a0ab1ef00732c3101a35aac2dd4fe04cd95a32d859ee0cde98a4cd117","name":"Cordas do Sol","registered_at":"2026-06-12T11:33:51Z","symbol":"NIM0285247","token_address":"0x3f11fa1594fa17f6a0ead88dc8809381e4abb095","type":"artist","uuid":"dd7dcd8e-931b-41b9-a39d-30b3cba08bb2"}
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 0xf89d599a0ab1ef00732c3101a35aac2dd4fe04cd95a32d859ee0cde98a4cd117. Chain 2 (Bitcoin): anchored in block 953423 (2026-06-12T21:20:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dd7dcd8e-931b-41b9-a39d-30b3cba08bb2.json and https://artists.proofprofile.net/proofs/artist/dd7dcd8e-931b-41b9-a39d-30b3cba08bb2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T21:20:00Z
  text: {"copyright_id":"0xf89d599a0ab1ef00732c3101a35aac2dd4fe04cd95a32d859ee0cde98a4cd117","name":"Cordas do Sol","registered_at":"2026-06-12T11:33:51Z","symbol":"NIM0285247","token_address":"0x3f11fa1594fa17f6a0ead88dc8809381e4abb095","type":"artist","uuid":"dd7dcd8e-931b-41b9-a39d-30b3cba08bb2"}
album: Terra De Sodade
  type: MusicAlbum
  date published: 2004-09-24
  track: Comped Joaquim
    type: MusicRecording
    duration: PT3M47S
    duration ms: 227026
    explicit: false
    by artist: Cordas do Sol
    in album: Terra De Sodade
      type: MusicAlbum
      date published: 2004-09-24
    genre: kizomba
    genre: traditional music
    isrc code: FRX620419010
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-14T21:15:02+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x5dd4acd410e733f73e52a1233a4f6e580b41e6411aaf427056332556ccc20f20
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958067
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958067
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419010
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-14T21:26:15Z
    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 0x5dd4acd410e733f73e52a1233a4f6e580b41e6411aaf427056332556ccc20f20. Chain 2 (Bitcoin): anchored in block 958067 (2026-07-14T21:26:15Z), 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/FRX620419010.
      date published: 2026-07-14T21:26:15Z
    audio: Comped Joaquim
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 121.961
      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: 0.789
      additional property: Energy
        type: PropertyValue
        value: 0.38
      additional property: Speechiness
        type: PropertyValue
        value: 0.187
      additional property: Acousticness
        type: PropertyValue
        value: 0.866
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.058
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.608
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.391
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Shó Pardal
    type: MusicRecording
    duration: PT5M53S
    duration ms: 353573
    explicit: false
    by artist: Cordas do Sol
    in album: Terra De Sodade
      type: MusicAlbum
      date published: 2004-09-24
    genre: kizomba
    genre: traditional music
    isrc code: FRX620419040
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T15:11:34+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x542cb755867aa36644e77fb49d36f2ae6b239d14768675d2abf3880b8e958f91
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419040
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x542cb755867aa36644e77fb49d36f2ae6b239d14768675d2abf3880b8e958f91. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419040.
      date published: 2026-07-05T18:48:28Z
    audio: Shó Pardal
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 84.789
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.458
      additional property: Energy
        type: PropertyValue
        value: 0.47
      additional property: Speechiness
        type: PropertyValue
        value: 0.041
      additional property: Acousticness
        type: PropertyValue
        value: 0.608
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.105
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Conceio d'Nho Ovô
  track: Ehh Boi
  track: Menina Mariza
album: Lume d'Lenha
album: Na Montanha
album: Marijoana
album: Strings of the Sun
track: No Conchê n'Angola

No Conchê n'Angola
type: MusicRecording
duration: PT4M24S
duration ms: 264133
explicit: false
by artist: Cordas do Sol
in album: Viva La Musica De Cabo Verde
  type: MusicAlbum
  date published: 2000
isrc code: FRX620419100
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-20T13:11:00+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x4dc69937306f325805165db01af2f0dbc71e8b1f8c6ee5eb001e3ab9c1bdff98
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956302
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956302
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419100
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-02T03:30:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 956302
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-07-02T03:30:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x4dc69937306f325805165db01af2f0dbc71e8b1f8c6ee5eb001e3ab9c1bdff98. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), 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/FRX620419100.
  date published: 2026-07-02T03:30:09Z
audio: No Conchê n'Angola
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 107.089
  additional property: Musical Key
    type: PropertyValue
    value: 11
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.684
  additional property: Energy
    type: PropertyValue
    value: 0.396
  additional property: Speechiness
    type: PropertyValue
    value: 0.039
  additional property: Acousticness
    type: PropertyValue
    value: 0.766
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.11
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.446
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.941
  additional property: Key Name
    type: PropertyValue
    value: B
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Valence (Positivity)
type: PropertyValue
value: 0.411

Loudness (dB)
type: PropertyValue
value: -9.214

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Minor

Conceio d'Nho Ovô
type: MusicRecording
duration: PT3M57S
duration ms: 237426
explicit: false
by artist: Cordas do Sol
in album: Terra De Sodade
  type: MusicAlbum
  date published: 2004-09-24
genre: kizomba
genre: traditional music
isrc code: FRX620419050
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T02:13:39+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x786b6559c4e5801268829510a79981eff214481e90e98a91fb8d287124e454f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958480
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958480
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419050
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T02:58:58Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x786b6559c4e5801268829510a79981eff214481e90e98a91fb8d287124e454f0. Chain 2 (Bitcoin): anchored in block 958480 (2026-07-18T02:58:58Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419050.
  date published: 2026-07-18T02:58:58Z
audio: Conceio d'Nho Ovô
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 82.453
  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: 0.768
  additional property: Energy
    type: PropertyValue
    value: 0.441
  additional property: Speechiness
    type: PropertyValue
    value: 0.045
  additional property: Acousticness
    type: PropertyValue
    value: 0.815
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.213
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.75
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.768
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Ehh Boi
type: MusicRecording
duration: PT6M22S
duration ms: 382693
explicit: false
by artist: Cordas do Sol
in album: Terra De Sodade
  type: MusicAlbum
  date published: 2004-09-24
genre: kizomba
genre: traditional music
isrc code: FRX620419070
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T15:24:52+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x83b70ff1298bfb1524ddc8f317d540527c40558aa453ea082052ccc75444001a
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/FRX620419070
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
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x83b70ff1298bfb1524ddc8f317d540527c40558aa453ea082052ccc75444001a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419070.
  date published: 2026-07-05T01:12:41Z
audio: Ehh Boi
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 84.954
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.663
  additional property: Energy
    type: PropertyValue
    value: 0.397
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.831
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.019
  additional property: Liveness
    type: PropertyValue
    value: 0.082
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.576
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.448
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Menina Mariza
type: MusicRecording
duration: PT3M0S
duration ms: 180773
explicit: false
by artist: Cordas do Sol
in album: Terra De Sodade
  type: MusicAlbum
  date published: 2004-09-24
genre: kizomba
genre: traditional music
isrc code: FRX620419080
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T18:17:53+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2c719a7f71a2b2b91d1dbff9567aa36b9f7faa6dbd4b0fa0eaa2feb97dca5856
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958771
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958771
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620419080
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:12:08Z
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 0x2c719a7f71a2b2b91d1dbff9567aa36b9f7faa6dbd4b0fa0eaa2feb97dca5856. Chain 2 (Bitcoin): anchored in block 958771 (2026-07-19T21:12:08Z), 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/FRX620419080.
  date published: 2026-07-19T21:12:08Z
audio: Menina Mariza
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 129.985
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.885
  additional property: Energy
    type: PropertyValue
    value: 0.581
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.78
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.134
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.566
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.847
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lume d'Lenha
type: MusicAlbum
date published: 2010-03-22
track: Lume d'Lenha
  type: MusicRecording
  duration: PT3M14S
  duration ms: 194426
  explicit: false
  by artist: Cordas do Sol
  in album: Lume d'Lenha
    type: MusicAlbum
    date published: 2010-03-22
  genre: kizomba
  genre: traditional music
  isrc code: FRX620901010
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T20:35:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc04422c5f62c325802a1da3a42a40fd06a88cdf695c12e3a98f02fac945d1f8b
  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/FRX620901010
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc04422c5f62c325802a1da3a42a40fd06a88cdf695c12e3a98f02fac945d1f8b. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620901010.
    date published: 2026-07-14T21:07:34Z
  audio: Lume d'Lenha
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 83.946
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.491
    additional property: Energy
      type: PropertyValue
      value: 0.545
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.812
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.001
    additional property: Liveness
      type: PropertyValue
      value: 0.118
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.848
    additional property: Loudness (dB)
      type: PropertyValue
      value: -11.672
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Kréde N'mstér
  type: MusicRecording
  duration: PT3M31S
  duration ms: 211933
  explicit: false
  by artist: Cordas do Sol
  in album: Lume d'Lenha
    type: MusicAlbum
    date published: 2010-03-22
  genre: kizomba
  genre: traditional music
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  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0xfd4fb16a97edf22f090382bb488ccf8076bd7b8fb2734eb8c49ed3f44c127882
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958600
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958600
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620901040
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T19:24:05Z
  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 0xfd4fb16a97edf22f090382bb488ccf8076bd7b8fb2734eb8c49ed3f44c127882. Chain 2 (Bitcoin): anchored in block 958600 (2026-07-18T19:24:05Z), 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/FRX620901040.
    date published: 2026-07-18T19:24:05Z
  audio: Kréde N'mstér
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
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    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: 0.484
    additional property: Energy
      type: PropertyValue
      value: 0.584
    additional property: Speechiness
      type: PropertyValue
      value: 0.067
    additional property: Acousticness
      type: PropertyValue
      value: 0.766
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.253
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.803
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.047
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
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track: Séte
  type: MusicRecording
  duration: PT4M36S
  duration ms: 276746
  explicit: false
  by artist: Cordas do Sol
  in album: Lume d'Lenha
    type: MusicAlbum
    date published: 2010-03-22
  genre: kizomba
  genre: traditional music
  isrc code: FRX620901050
  additional property: CopyrightID
  additional property: CopyrightStatus
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  additional property: CopyrightRegisteredAt
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  additional property: CopyrightChainExplorerURL
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    value: https://explorer.copyrightchains.com/tx/0x8208555f692793d460b3cc8db9e6cd2bf35adcc2300f70b0f78ef858506bd5de
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958063
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Séte
track: Flor de Paul

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958063

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620901050

OTSTimestamp
type: PropertyValue
value: 2026-07-14T21:07:34Z

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 0x8208555f692793d460b3cc8db9e6cd2bf35adcc2300f70b0f78ef858506bd5de. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620901050.
date published: 2026-07-14T21:07:34Z

Séte
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 106.073
additional property: Musical Key
  type: PropertyValue
  value: 4
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.769
additional property: Energy
  type: PropertyValue
  value: 0.694
additional property: Speechiness
  type: PropertyValue
  value: 0.079
additional property: Acousticness
  type: PropertyValue
  value: 0.715
additional property: Instrumentalness
  type: PropertyValue
  value: 0.001
additional property: Liveness
  type: PropertyValue
  value: 0.094
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.839
additional property: Loudness (dB)
  type: PropertyValue
  value: -10.672
additional property: Key Name
  type: PropertyValue
  value: E
additional property: Mode Name
  type: PropertyValue
  value: Minor

Flor de Paul
type: MusicRecording
duration: PT4M28S
duration ms: 268346
explicit: false
by artist: Cordas do Sol
in album: Lume d'Lenha
  type: MusicAlbum
  date published: 2010-03-22
genre: kizomba
genre: traditional music
isrc code: FRX620901110
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T22:35:18+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x56aebcb8787b07e1518b22da128ba85a86fe5751b24b792214c95eb0eb84b1d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956639
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FRX620901110
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-04T11:19:20Z
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 0x56aebcb8787b07e1518b22da128ba85a86fe5751b24b792214c95eb0eb84b1d1. Chain 2 (Bitcoin): anchored in block 956639 (2026-07-04T11:19:20Z), 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/FRX620901110.
  date published: 2026-07-04T11:19:20Z
audio: Flor de Paul
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 128.177
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.854
  additional property: Energy
    type: PropertyValue
    value: 0.72
  additional property: Speechiness
    type: PropertyValue
    value: 0.116
  additional property: Acousticness
    type: PropertyValue
    value: 0.586
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.131
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.921
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.934
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Lume d'Lenha
type: MusicAlbum
date published: 2010-03-22

Na Montanha
type: MusicAlbum
date published: 2015-10-23
track: Na Montanha
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246840
  explicit: false
  by artist: Cordas do Sol
  in album: Na Montanha
    type: MusicAlbum
    date published: 2015-10-23
  genre: kizomba
  genre: traditional music
  isrc code: CVA101500002
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T09:08:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b8379480f2e18b06f799e1ba8d7cd038e918b7e27dbfb32c6aa2822b16fbaf5
  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/CVA101500002
  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
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b8379480f2e18b06f799e1ba8d7cd038e918b7e27dbfb32c6aa2822b16fbaf5. 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/CVA101500002.
    date published: 2026-07-04T10:04:33Z
  audio: Na Montanha
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.041
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.766
    additional property: Energy
      type: PropertyValue
      value: 0.707
    additional property: Speechiness
      type: PropertyValue
      value: 0.062
    additional property: Acousticness
      type: PropertyValue
      value: 0.776
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.229
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.857
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.9
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Pexera
  type: MusicRecording
  duration: PT4M6S
  duration ms: 246213
  explicit: false
  by artist: Cordas do Sol
  in album: Na Montanha
    type: MusicAlbum
    date published: 2015-10-23
  genre: kizomba
  genre: traditional music
  isrc code: CVA101500004
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T09:57:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xbe858b7d6c19911995aacabd504ab171f62e5818e394e03b265ee33b427fcb33
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956772
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956772
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CVA101500004
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T10:01:46Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe858b7d6c19911995aacabd504ab171f62e5818e394e03b265ee33b427fcb33. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CVA101500004.
    date published: 2026-07-05T10:01:46Z
  audio: Pexera
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.008
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.669
    additional property: Energy
      type: PropertyValue
      value: 0.702
    additional property: Speechiness
      type: PropertyValue
      value: 0.075
    additional property: Acousticness
      type: PropertyValue
      value: 0.773
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.364
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.864
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.775
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: Paris 2015
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237173
  explicit: false
  by artist: Cordas do Sol
  in album: Na Montanha
    type: MusicAlbum
    date published: 2015-10-23
  genre: kizomba
  genre: traditional music
  isrc code: CVA101500008
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:31:53+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9b8321d88cd373054713f29bc4080b83690f4b58f43f894bbfba16f094022460
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Paris 2015

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/956822

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CVA101500008

OTSTimestamp
type: PropertyValue
value: 2026-07-05T18:48:28Z

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 0x9b8321d88cd373054713f29bc4080b83690f4b58f43f894bbfba16f094022460. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/CVA101500008.
date published: 2026-07-05T18:48:28Z

Paris 2015
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 108.97
additional property: Musical Key
  type: PropertyValue
  value: 2
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.805
additional property: Energy
  type: PropertyValue
  value: 0.667
additional property: Speechiness
  type: PropertyValue
  value: 0.095
additional property: Acousticness
  type: PropertyValue
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additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.343
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.816
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.071
additional property: Key Name
  type: PropertyValue
  value: D
additional property: Mode Name
  type: PropertyValue
  value: Minor

Marijoana
type: MusicAlbum
date published: 2018-01-08
track: Marijoana
  type: MusicRecording
  duration: PT6M23S
  duration ms: 383066
  explicit: false
  by artist: Cordas do Sol
  in album: Marijoana
    type: MusicAlbum
    date published: 2018-01-08
  genre: kizomba
  genre: traditional music
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  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T23:11:10+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd8ce114f25a55e89efe95220d612a6c730556ddbef3983aadd672e49a0c0cfc5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
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    value: 958943
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958943
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1816278
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T02:08:57Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd8ce114f25a55e89efe95220d612a6c730556ddbef3983aadd672e49a0c0cfc5. Chain 2 (Bitcoin): anchored in block 958943 (2026-07-21T02:08:57Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1816278.
    date published: 2026-07-21T02:08:57Z
  audio: Marijoana
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 64.144
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.38
    additional property: Energy
      type: PropertyValue
      value: 0.331
    additional property: Speechiness
      type: PropertyValue
      value: 0.037
    additional property: Acousticness
      type: PropertyValue
      value: 0.697
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.407
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.06
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Minor
track: F.A.I.M.E
  type: MusicRecording
  duration: PT3M9S
  duration ms: 189346
  explicit: false
  by artist: Cordas do Sol
  in album: Marijoana
    type: MusicAlbum
    date published: 2018-01-08
  genre: kizomba
  genre: traditional music
  isrc code: USCGH1816280
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T23:25:15+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x845c4ad9a25c71c5bf79f5e978c02d3da5bafd2336e9ee26f93d931fab794a89
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958796
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958796
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1816280
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T02:28:37Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x845c4ad9a25c71c5bf79f5e978c02d3da5bafd2336e9ee26f93d931fab794a89. Chain 2 (Bitcoin): anchored in block 958796 (2026-07-20T02:28:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1816280.
    date published: 2026-07-20T02:28:37Z
  audio: F.A.I.M.E
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 179.848
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.533
    additional property: Energy
      type: PropertyValue
      value: 0.471
    additional property: Speechiness
      type: PropertyValue
      value: 0.129
    additional property: Acousticness
      type: PropertyValue
      value: 0.648
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.089
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.615
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.202
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Mirim D'aga
  type: MusicRecording
  duration: PT4M59S
  duration ms: 299240
  explicit: false
  by artist: Cordas do Sol
  in album: Marijoana
    type: MusicAlbum
    date published: 2018-01-08
  genre: kizomba
  genre: traditional music
  isrc code: USCGH1816283
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T11:51:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xde5f545ba6162f14a50c654e4c13d2540d97fc31551e1bcdc877ff0f649f42d3
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958547
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Mirim D'aga

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block-height/958547

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USCGH1816283

OTSTimestamp
type: PropertyValue
value: 2026-07-18T12:44:05Z

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 0xde5f545ba6162f14a50c654e4c13d2540d97fc31551e1bcdc877ff0f649f42d3. Chain 2 (Bitcoin): anchored in block 958547 (2026-07-18T12:44:05Z), 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/USCGH1816283.
date published: 2026-07-18T12:44:05Z

Mirim D'aga
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 86.468
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: 0.686
additional property: Energy
  type: PropertyValue
  value: 0.643
additional property: Speechiness
  type: PropertyValue
  value: 0.055
additional property: Acousticness
  type: PropertyValue
  value: 0.66
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.354
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.759
additional property: Loudness (dB)
  type: PropertyValue
  value: -7.993
additional property: Key Name
  type: PropertyValue
  value: C
additional property: Mode Name
  type: PropertyValue
  value: Major

Strings of the Sun
type: MusicAlbum
date published: 2025-05-09