Musictime Lab
type: MusicGroup
genre: jazz funk
genre: nu jazz
popularity: 13
followers: 271
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8329d48f70c689a111fc79cbccb7ce761ca0f4ea8fe56d71ddfd2503036f8d0a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953819
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953819
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb593137-865c-40ed-b61e-ec2cfcbc5117.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fb593137-865c-40ed-b61e-ec2cfcbc5117.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fb593137-865c-40ed-b61e-ec2cfcbc5117
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T18:31:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8329d48f70c689a111fc79cbccb7ce761ca0f4ea8fe56d71ddfd2503036f8d0a","name":"Musictime Lab","registered_at":"2026-06-15T07:00:11Z","symbol":"NIM0718327","token_address":"0xe8f00fd943c04ad9239ead1dca81bcc153281c6d","type":"artist","uuid":"fb593137-865c-40ed-b61e-ec2cfcbc5117"}
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 0x8329d48f70c689a111fc79cbccb7ce761ca0f4ea8fe56d71ddfd2503036f8d0a. Chain 2 (Bitcoin): anchored in block 953819 (2026-06-15T18:31:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fb593137-865c-40ed-b61e-ec2cfcbc5117.json and https://artists.proofprofile.net/proofs/artist/fb593137-865c-40ed-b61e-ec2cfcbc5117.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T18:31:52Z
  text: {"copyright_id":"0x8329d48f70c689a111fc79cbccb7ce761ca0f4ea8fe56d71ddfd2503036f8d0a","name":"Musictime Lab","registered_at":"2026-06-15T07:00:11Z","symbol":"NIM0718327","token_address":"0xe8f00fd943c04ad9239ead1dca81bcc153281c6d","type":"artist","uuid":"fb593137-865c-40ed-b61e-ec2cfcbc5117"}
album: The Black Stockings
  type: MusicAlbum
  date published: 2022-04-12
  track: The Black Stockings, Pt. 3
    type: MusicRecording
    duration: PT1M17S
    duration ms: 77623
    explicit: false
    by artist: Musictime Lab
    in album: The Black Stockings
      type: MusicAlbum
      date published: 2022-04-12
    genre: jazz funk
    genre: nu jazz
    isrc code: USCGJ2293812
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T02:28:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8b4777751bcb283832e3fb9241444b483b2db0f5aac6db19e8361b907700e4bd
    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/USCGJ2293812
    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 0x8b4777751bcb283832e3fb9241444b483b2db0f5aac6db19e8361b907700e4bd. 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/USCGJ2293812.
      date published: 2026-07-05T10:01:46Z
    audio: The Black Stockings, Pt. 3
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 106.005
      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: 0.717
      additional property: Energy
        type: PropertyValue
        value: 0.632
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.555
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.857
      additional property: Liveness
        type: PropertyValue
        value: 0.473
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.962
      additional property: Loudness (dB)
        type: PropertyValue
        value: -13.013
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: The Black Stockings
  type: MusicAlbum
  date published: 2022-04-12
album: The Wonderful Niece
  type: MusicAlbum
  date published: 2022-12-02
  track: A Maravilhosa Sobrinha
    type: MusicRecording
    duration: PT2M1S
    duration ms: 121946
    explicit: false
    by artist: Musictime Lab
    in album: The Wonderful Niece
      type: MusicAlbum
      date published: 2022-12-02
    genre: jazz funk
    genre: nu jazz
    isrc code: USL4Q2286296
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T07:49:23+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x67d3660a2e80f2cc226afba0348d41544213c6d5db5cf2e56a4eda0b063f90f8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958700
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958700
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2286296
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T08:09:50Z
    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 0x67d3660a2e80f2cc226afba0348d41544213c6d5db5cf2e56a4eda0b063f90f8. Chain 2 (Bitcoin): anchored in block 958700 (2026-07-19T08:09:50Z), 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/USL4Q2286296.
      date published: 2026-07-19T08:09:50Z
    audio: A Maravilhosa Sobrinha
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 75.002
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.618
      additional property: Energy
        type: PropertyValue
        value: 0.619
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.761
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: O Pequeno Desfiladero
album: You Can't Beat the Drummer
album: Sam Bum Doo
album: Heading North
album: Chatter Between Ducks
album: The Ducks of Tony
album: Não Não Vai
album: Uma Noite em Ipanema

Instrumentalness
type: PropertyValue
value: 0.751

Liveness
type: PropertyValue
value: 0.062

Valence (Positivity)
type: PropertyValue
value: 0.848

Loudness (dB)
type: PropertyValue
value: -11.01

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Major

O Pequeno Desfiladero
type: MusicRecording
duration: PT1M12S
duration ms: 72346
explicit: false
by artist: Musictime Lab
in album: The Wonderful Niece
  type: MusicAlbum
  date published: 2022-12-02
genre: jazz funk
genre: nu jazz
isrc code: USL4Q2286311
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-04T11:15:02+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xad16019d9bf5fbbda05e2e857a23b68b6ba8187cd3a52eb64f68f7997e611b9c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956738
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956738
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USL4Q2286311
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T04:47:21Z
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 0xad16019d9bf5fbbda05e2e857a23b68b6ba8187cd3a52eb64f68f7997e611b9c. Chain 2 (Bitcoin): anchored in block 956738 (2026-07-05T04:47:21Z), 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/USL4Q2286311.
  date published: 2026-07-05T04:47:21Z
audio: O Pequeno Desfiladero
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 105.17
  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: 0.616
  additional property: Energy
    type: PropertyValue
    value: 0.621
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.269
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.908
  additional property: Liveness
    type: PropertyValue
    value: 0.089
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.807
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.946
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Major

The Wonderful Niece
type: MusicAlbum
date published: 2022-12-02

You Can't Beat the Drummer
type: MusicAlbum
date published: 2023-05-05

You Can't Beat the Drummer
type: MusicAlbum
date published: 2023-05-05

Sam Bum Doo
type: MusicAlbum
date published: 2023-08-16
track: Sam Bum Doo
  type: MusicRecording
  duration: PT2M11S
  duration ms: 131073
  explicit: false
  by artist: Musictime Lab
  in album: Sam Bum Doo
    type: MusicAlbum
    date published: 2023-08-16
  genre: jazz funk
  genre: nu jazz
  isrc code: USMH92370729
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T00:16:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x8bdcf8f98de4688955ce9b98eea9333f0d9c3b06f7765b848885abb9b60d4f8e
  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/USMH92370729
  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 0x8bdcf8f98de4688955ce9b98eea9333f0d9c3b06f7765b848885abb9b60d4f8e. 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/USMH92370729.
    date published: 2026-07-04T10:04:33Z
  audio: Sam Bum Doo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 82.987
    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: 0.609
    additional property: Energy
      type: PropertyValue
      value: 0.47
    additional property: Speechiness
      type: PropertyValue
      value: 0.041
    additional property: Acousticness
      type: PropertyValue
      value: 0.917
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.807
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.739
    additional property: Loudness (dB)
      type: PropertyValue
      value: -14.115
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Heading North
type: MusicAlbum
date published: 2024-12-17

Chatter Between Ducks
type: MusicAlbum
date published: 2025-03-19

The Ducks of Tony
type: MusicAlbum
date published: 2025-03-26

Não Não Vai
type: MusicAlbum
date published: 2025-04-01
track: Não Não Vai
  type: MusicRecording
  duration: PT1M20S
  duration ms: 80842
  explicit: false
  by artist: Musictime Lab
  in album: Não Não Vai
    type: MusicAlbum
    date published: 2025-04-01
  genre: jazz funk
  genre: nu jazz
  isrc code: QZHNB2501762
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T21:18:17+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x425161af52b2b73a0ae4778f125eb9ddae2e04ee1d57801f2454717ff23f5608
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958788
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958788
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2501762
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T00:19:48Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x425161af52b2b73a0ae4778f125eb9ddae2e04ee1d57801f2454717ff23f5608. Chain 2 (Bitcoin): anchored in block 958788 (2026-07-20T00:19:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZHNB2501762.
    date published: 2026-07-20T00:19:48Z
  audio: Não Não Vai
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 95.049
    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: 0.878
    additional property: Energy
      type: PropertyValue
      value: 0.766
    additional property: Speechiness
      type: PropertyValue
      value: 0.061
    additional property: Acousticness
      type: PropertyValue
      value: 0.452
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.496
    additional property: Liveness
      type: PropertyValue
      value: 0.101
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.946
    additional property: Loudness (dB)
      type: PropertyValue
      value: -7.5
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major

Chatter Between Ducks
type: MusicAlbum
date published: 2025-04-25

Uma Noite em Ipanema
type: MusicAlbum
date published: 2025-08-29
track: Uma Noite em Ipanema
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193333
  explicit: false
  by artist: Musictime Lab
  in album: Uma Noite em Ipanema
    type: MusicAlbum
    date published: 2025-08-29
  genre: jazz funk
  genre: nu jazz
  isrc code: QZZ782565522
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:30:32+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc1de383840e4a1e4c1ad16b5fd246d1e533a232c511a760c5e3b2c84632314fd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958905
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958905
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ782565522
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T17:32:20Z
  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 0xc1de383840e4a1e4c1ad16b5fd246d1e533a232c511a760c5e3b2c84632314fd. Chain 2 (Bitcoin): anchored in block 958905 (2026-07-20T17:32:20Z), 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/QZZ782565522.
    date published: 2026-07-20T17:32:20Z
  audio: Uma Noite em Ipanema
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 90.071
    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: 0.585
    additional property: Energy
      type: PropertyValue
      value: 0.78
    additional property: Speechiness
      type: PropertyValue
      value: 0.035
    additional property: Acousticness
      type: PropertyValue
      value: 0.595
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.797
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.679
    additional property: Loudness (dB)
      type: PropertyValue
      value: -13.973
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major