Luísa Cantavoz
type: MusicGroup
popularity: 21
followers: 126
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0512e83fc43fcc13c7b0c9bf20fd17cd684f14527191176197535651f512175b
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/ee45fa77-1b05-49d0-a2ba-7666ec9f22c8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ee45fa77-1b05-49d0-a2ba-7666ec9f22c8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ee45fa77-1b05-49d0-a2ba-7666ec9f22c8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0512e83fc43fcc13c7b0c9bf20fd17cd684f14527191176197535651f512175b","name":"Luísa Cantavoz","registered_at":"2026-06-12T13:06:00Z","symbol":"NIM0306566","token_address":"0x706ff9e57c46448d87a019da8e2ca4f57a7e7668","type":"artist","uuid":"ee45fa77-1b05-49d0-a2ba-7666ec9f22c8"}
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 0x0512e83fc43fcc13c7b0c9bf20fd17cd684f14527191176197535651f512175b. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ee45fa77-1b05-49d0-a2ba-7666ec9f22c8.json and https://artists.proofprofile.net/proofs/artist/ee45fa77-1b05-49d0-a2ba-7666ec9f22c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
  text: {"copyright_id":"0x0512e83fc43fcc13c7b0c9bf20fd17cd684f14527191176197535651f512175b","name":"Luísa Cantavoz","registered_at":"2026-06-12T13:06:00Z","symbol":"NIM0306566","token_address":"0x706ff9e57c46448d87a019da8e2ca4f57a7e7668","type":"artist","uuid":"ee45fa77-1b05-49d0-a2ba-7666ec9f22c8"}
album: Pássaros Cantando
  type: MusicAlbum
  date published: 2023-10-26
  track: Pássaros Cantando Pt.6
    type: MusicRecording
    duration: PT1M25S
    duration ms: 85701
    explicit: false
    by artist: Luísa Cantavoz
    in album: Pássaros Cantando
      type: MusicAlbum
      date published: 2023-10-26
    isrc code: GBLV62300805
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-28T20:54:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7525eb6f50501e918bd4f601aabdcfd0486c89f4f67b106b348106e7caec84a6
    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/GBLV62300805
    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 0x7525eb6f50501e918bd4f601aabdcfd0486c89f4f67b106b348106e7caec84a6. 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/GBLV62300805.
      date published: 2026-07-02T16:51:38Z
    audio: Pássaros Cantando Pt.6
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 109.142
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.225
      additional property: Energy
        type: PropertyValue
        value: 0.539
      additional property: Speechiness
        type: PropertyValue
        value: 0.069
      additional property: Acousticness
        type: PropertyValue
        value: 0.884
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.966
      additional property: Liveness
        type: PropertyValue
        value: 0.206
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.033
      additional property: Loudness (dB)
        type: PropertyValue
        value: -28.802
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Pássaros Cantando Pt.8
    type: MusicRecording
    duration: PT1M35S
    duration ms: 95199
    explicit: false
    by artist: Luísa Cantavoz
    in album: Pássaros Cantando
      type: MusicAlbum
      date published: 2023-10-26
    isrc code: GBLV62300807
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-02T21:55:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xfd4c2ddf115feee91715e5c28d9d382dec55b848c932f72f011e77908e64a3e4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956420
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956420
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLV62300807
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:34:53Z
    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 0xfd4c2ddf115feee91715e5c28d9d382dec55b848c932f72f011e77908e64a3e4. Chain 2 (Bitcoin): anchored in block 956420 (2026-07-17T04:34:53Z), 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/GBLV62300807.
      date published: 2026-07-17T04:34:53Z
    audio: Pássaros Cantando Pt.8
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 72.885
      additional property: Musical Key
        type: PropertyValue
        value: 9
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.222
      additional property: Energy
        type: PropertyValue
        value: 0.551
      additional property: Speechiness
        type: PropertyValue
        value: 0.092
      additional property: Acousticness
        type: PropertyValue
        value: 0.923
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.969
      additional property: Liveness
        type: PropertyValue
        value: 0.307
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.034
      additional property: Loudness (dB)
        type: PropertyValue
        value: -28.576
      additional property: Key Name
      additional property: Mode Name
  track: Pássaros Cantando Pt.11
  track: Pássaros Cantando Pt.12

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Pássaros Cantando Pt.11
type: MusicRecording
duration: PT1M27S
duration ms: 87274
explicit: false
by artist: Luísa Cantavoz
in album: Pássaros Cantando
  type: MusicAlbum
  date published: 2023-10-26
isrc code: GBLV62300810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-02T21:56:03+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b8f2aa4172f6e6db4595d734871c852c54bf8dcc16015168fa13eec0a42803f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956422
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956422
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLV62300810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T01:01:38Z
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 0x5b8f2aa4172f6e6db4595d734871c852c54bf8dcc16015168fa13eec0a42803f. Chain 2 (Bitcoin): anchored in block 956422 (2026-07-03T01:01:38Z), 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/GBLV62300810.
  date published: 2026-07-03T01:01:38Z
audio: Pássaros Cantando Pt.11
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.526
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.199
  additional property: Energy
    type: PropertyValue
    value: 0.555
  additional property: Speechiness
    type: PropertyValue
    value: 0.058
  additional property: Acousticness
    type: PropertyValue
    value: 0.87
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.91
  additional property: Liveness
    type: PropertyValue
    value: 0.303
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.034
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.273
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Pássaros Cantando Pt.12
type: MusicRecording
duration: PT1M36S
duration ms: 96784
explicit: false
by artist: Luísa Cantavoz
in album: Pássaros Cantando
  type: MusicAlbum
  date published: 2023-10-26
isrc code: GBLV62300811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T23:21:41+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb23221bd47697208d9d2d2ae4822044f96706e7c28cc66740c8a41f69b8bf927
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957772
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957772
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBLV62300811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T23:31:17Z
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 0xb23221bd47697208d9d2d2ae4822044f96706e7c28cc66740c8a41f69b8bf927. Chain 2 (Bitcoin): anchored in block 957772 (2026-07-12T23:31:17Z), 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/GBLV62300811.
  date published: 2026-07-12T23:31:17Z
audio: Pássaros Cantando Pt.12
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 78.673
  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: 0.214
  additional property: Energy
    type: PropertyValue
    value: 0.58
  additional property: Speechiness
    type: PropertyValue
    value: 0.067
  additional property: Acousticness
    type: PropertyValue
    value: 0.908
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.868
  additional property: Liveness
    type: PropertyValue
    value: 0.329
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.032
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.807
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major