The Barefoot Boys
type: MusicGroup
popularity: 15
followers: 997
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x081ce2008ab392e1eb3d73161f212366567dbb41529240637705fc73b6a944da
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953807
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953807
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f13d8930-b9e0-41e2-ba4e-83ad82dc9a49.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f13d8930-b9e0-41e2-ba4e-83ad82dc9a49.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f13d8930-b9e0-41e2-ba4e-83ad82dc9a49
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T16:39:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x081ce2008ab392e1eb3d73161f212366567dbb41529240637705fc73b6a944da","name":"The Barefoot Boys","registered_at":"2026-06-15T05:52:16Z","symbol":"NIM0702112","token_address":"0x84755e9ddbefae831a4f1e6b7cd69d7656b0bc0f","type":"artist","uuid":"f13d8930-b9e0-41e2-ba4e-83ad82dc9a49"}
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 0x081ce2008ab392e1eb3d73161f212366567dbb41529240637705fc73b6a944da. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f13d8930-b9e0-41e2-ba4e-83ad82dc9a49.json and https://artists.proofprofile.net/proofs/artist/f13d8930-b9e0-41e2-ba4e-83ad82dc9a49.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:39:18Z
  text: {"copyright_id":"0x081ce2008ab392e1eb3d73161f212366567dbb41529240637705fc73b6a944da","name":"The Barefoot Boys","registered_at":"2026-06-15T05:52:16Z","symbol":"NIM0702112","token_address":"0x84755e9ddbefae831a4f1e6b7cd69d7656b0bc0f","type":"artist","uuid":"f13d8930-b9e0-41e2-ba4e-83ad82dc9a49"}
album: Barefoot's Relax Vol. 1
  type: MusicAlbum
  date published: 1980-05-01
album: Barefoot's Relax Vol. 1
  type: MusicAlbum
  date published: 1980-08-27
  track: Adios Chaparita
    type: MusicRecording
    duration: PT3M26S
    duration ms: 206240
    explicit: false
    by artist: The Barefoot Boys
    in album: Barefoot's Relax Vol. 1
      type: MusicAlbum
      date published: 1980-08-27
    isrc code: NZAM02102575
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T05:51:58+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x988579b3669b67b91b7663bb9ff5837af707894ea0db8b4c2d825851b2d7fd86
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM02102575
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    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 0x988579b3669b67b91b7663bb9ff5837af707894ea0db8b4c2d825851b2d7fd86. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), 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/NZAM02102575.
      date published: 2026-07-18T12:14:37Z
    audio: Adios Chaparita
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 117.302
      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: 0.534
      additional property: Energy
        type: PropertyValue
        value: 0.591
      additional property: Speechiness
        type: PropertyValue
        value: 0.038
      additional property: Acousticness
        type: PropertyValue
        value: 0.593
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.136
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.5
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.826
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: La romance d'un prisonnier
    type: MusicRecording
    duration: PT4M28S
    duration ms: 268133
    explicit: false
    by artist: The Barefoot Boys
    in album: Barefoot's Relax Vol. 1
      type: MusicAlbum
      date published: 1980-08-27
    isrc code: NZAM02102589
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T21:05:45+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x9633a57b9347516a23df85bd34966a570fb36b26b455c8ba06b515ff8cc91716
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958690
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958690
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM02102589
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T07:14:39Z
    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 0x9633a57b9347516a23df85bd34966a570fb36b26b455c8ba06b515ff8cc91716. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/NZAM02102589.
      date published: 2026-07-19T07:14:39Z
    audio: La romance d'un prisonnier
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.575
      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: 0.546
      additional property: Energy
        type: PropertyValue
        value: 0.681
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.32
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.132
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.532
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: The Very Best of Barefoot Boys, Vol. 9
album: The Very Best of the Barefoot Boys, Vol. 2
album: The Very Best of The Barefoot Boys, Vol. 2
album: The Very Best of the Barefoot Boys, Vol. 3
album: Melodies For Lovers (Love Songs)
album: The Very Best Of The Barefoot Boys, Vol. 3
album: Melodies for Lovers (Love Songs)
album: The Very Best of The Barefoot Boys, Vol. 4
album: The Very Best of The Barefoot Boys, Vol. 5
album: The Very Best of Barefoot Boys Vol.12
album: The Very Best of Barefoot Boys, Vol.15
album: The Very Best of the Barefoot Boys, Vol. 4
album: The Very Best of the Barefoot Boys, Vol. 5
album: The Very Best of The Barefoot Boys, Vol. 7
album: The Very Best of the Barefoot Boys, Vol. 7
album: The Very Best of Barefoot Boys, Vol. 11
album: The Very Best of Barefoot Boys, Vol.13
album: The Very Best of the Barefoot Boys, Vol. 1
album: The Very Best of The Barefoot Boys, Vol. 1
album: Les Barefoot Boys En Concert

Loudness (dB)
type: PropertyValue
value: -10.215

Key Name
type: PropertyValue
value: G

Mode Name
type: PropertyValue
value: Major

Barefoot's Relax Vol. 1
type: MusicAlbum
date published: 1980-08-27

The Very Best of Barefoot Boys, Vol. 9
type: MusicAlbum
date published: 1981-05-01

The Very Best of the Barefoot Boys, Vol. 2
type: MusicAlbum
date published: 1990-02-21
track: Haapeu maina / Timanu karere
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181933
  explicit: false
  by artist: The Barefoot Boys
  in album: The Very Best of the Barefoot Boys, Vol. 2
    type: MusicAlbum
    date published: 1990-02-21
  isrc code: NZAM01900260
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-17T21:35:47+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x18a554e6c486ca7221c4f4a68b1417815eb0499b8a9df8b45e492d17e1ad3268
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958489
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958489
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900260
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T04:13:26Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x18a554e6c486ca7221c4f4a68b1417815eb0499b8a9df8b45e492d17e1ad3268. Chain 2 (Bitcoin): anchored in block 958489 (2026-07-18T04:13:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900260.
    date published: 2026-07-18T04:13:26Z
  audio: Haapeu maina / Timanu karere
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 143.985
    additional property: Musical Key
      type: PropertyValue
      value: 6
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.437
    additional property: Energy
      type: PropertyValue
      value: 0.578
    additional property: Speechiness
      type: PropertyValue
      value: 0.064
    additional property: Acousticness
      type: PropertyValue
      value: 0.255
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.064
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.601
    additional property: Loudness (dB)
      type: PropertyValue
      value: -12.391
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major

The Very Best of The Barefoot Boys, Vol. 2
type: MusicAlbum
date published: 1990-02-21

The Very Best of the Barefoot Boys, Vol. 3
type: MusicAlbum
date published: 1990-02-21

The Very Best of The Barefoot Boys, Vol. 2
type: MusicAlbum
date published: 1990-03-21

Melodies For Lovers (Love Songs)
type: MusicAlbum
date published: 1990-05-01

The Very Best Of The Barefoot Boys, Vol. 3
type: MusicAlbum
date published: 1990-06-14

Melodies for Lovers (Love Songs)
type: MusicAlbum
date published: 1990-12-20

The Very Best of The Barefoot Boys, Vol. 4
type: MusicAlbum
date published: 1991-01-19

The Very Best of The Barefoot Boys, Vol. 5
type: MusicAlbum
date published: 1991-02-16

The Very Best of Barefoot Boys Vol.12
type: MusicAlbum
date published: 1991-02-21

The Very Best of Barefoot Boys, Vol.15
type: MusicAlbum
date published: 1991-02-21

The Very Best of the Barefoot Boys, Vol. 4
type: MusicAlbum
date published: 1991-02-21

The Very Best of the Barefoot Boys, Vol. 5
type: MusicAlbum
date published: 1991-02-21

The Very Best of The Barefoot Boys, Vol. 7
type: MusicAlbum
date published: 1991-02-21

The Very Best of The Barefoot Boys, Vol. 4
type: MusicAlbum
date published: 1991-02-21

The Very Best of Barefoot Boys Vol.12
type: MusicAlbum
date published: 1991-02-21

The Very Best of Barefoot Boys, Vol.15
type: MusicAlbum
date published: 1991-02-21

The Very Best of the Barefoot Boys, Vol. 7
type: MusicAlbum
date published: 1991-02-21

The Very Best of Barefoot Boys, Vol. 11
type: MusicAlbum
date published: 1991-03-02
track: Emae / Moea Faaroa E
  type: MusicRecording
  duration: PT2M18S
  duration ms: 138720
  explicit: false
  by artist: The Barefoot Boys
  in album: The Very Best of Barefoot Boys, Vol. 11
    type: MusicAlbum
    date published: 1991-03-02
  isrc code: NZAM01900353
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T05:58:30+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe61517948a402aa41e0bd873fb3c128a0b95bf33a86f0b392c7acfad575d3172
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958508
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958508
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900353
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-18T06:27:01Z
  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 0xe61517948a402aa41e0bd873fb3c128a0b95bf33a86f0b392c7acfad575d3172. Chain 2 (Bitcoin): anchored in block 958508 (2026-07-18T06:27:01Z), 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/NZAM01900353.
    date published: 2026-07-18T06:27:01Z
  audio: Emae / Moea Faaroa E
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 96.101
    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: 0.525
    additional property: Energy
      type: PropertyValue
      value: 0.726
    additional property: Speechiness
      type: PropertyValue
      value: 0.036
    additional property: Acousticness
      type: PropertyValue
      value: 0.648
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.086
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.922
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.768
    additional property: Key Name
      type: PropertyValue
      value: D
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Arrivederci Maria
  type: MusicRecording
  duration: PT3M25S
  duration ms: 205880
  explicit: false
  by artist: The Barefoot Boys
  in album: The Very Best of Barefoot Boys, Vol. 11
    type: MusicAlbum
    date published: 1991-03-02
  isrc code: NZAM01900355
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T17:59:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93b80fcd2885e492ad4bb6a0586cd221ea900c0e5b21db97b2b7bb0d10fe94ef
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958765
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958765
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900355
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T21:00:38Z
  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 0x93b80fcd2885e492ad4bb6a0586cd221ea900c0e5b21db97b2b7bb0d10fe94ef. Chain 2 (Bitcoin): anchored in block 958765 (2026-07-19T21:00:38Z), 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/NZAM01900355.
    date published: 2026-07-19T21:00:38Z
  audio: Arrivederci Maria
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.003
    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: 0.517
    additional property: Energy
      type: PropertyValue
      value: 0.56
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.714
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.099
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.611
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.948
    additional property: Key Name
      type: PropertyValue
      value: F#
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Ta'u Tamaiti
  type: MusicRecording
  duration: PT3M30S
  duration ms: 210080
  explicit: false
  by artist: The Barefoot Boys
  in album: The Very Best of Barefoot Boys, Vol. 11
    type: MusicAlbum
    date published: 1991-03-02
  isrc code: NZAM01900357
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-18T21:46:23+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x4504c53cac406a79aacc3eb06cf35a061f421734c9202f47bc9fb82aa396ad63
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958621
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958621
  additional property: OTSVerificationAPI
    type: PropertyValue
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  additional property: OTSTimestamp
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  subject of: OpenTimestamps Proof of Existence
  audio: Ta'u Tamaiti
track: O Cangaceiro

OTSTimestamp
type: PropertyValue
value: 2026-07-18T22:59:44Z

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 0x4504c53cac406a79aacc3eb06cf35a061f421734c9202f47bc9fb82aa396ad63. Chain 2 (Bitcoin): anchored in block 958621 (2026-07-18T22:59:44Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900357.
date published: 2026-07-18T22:59:44Z

Ta'u Tamaiti
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 137.727
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: 0.424
additional property: Energy
  type: PropertyValue
  value: 0.564
additional property: Speechiness
  type: PropertyValue
  value: 0.03
additional property: Acousticness
  type: PropertyValue
  value: 0.439
additional property: Instrumentalness
  type: PropertyValue
  value: 0
additional property: Liveness
  type: PropertyValue
  value: 0.135
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.583
additional property: Loudness (dB)
  type: PropertyValue
  value: -9.536
additional property: Key Name
  type: PropertyValue
  value: G
additional property: Mode Name
  type: PropertyValue
  value: Major

O Cangaceiro
type: MusicRecording
duration: PT2M51S
duration ms: 171266
explicit: false
by artist: The Barefoot Boys
in album: The Very Best of Barefoot Boys, Vol. 11
  type: MusicAlbum
  date published: 1991-03-02
isrc code: NZAM01900360
additional property: CopyrightID
additional property: CopyrightStatus
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additional property: CopyrightRegisteredAt
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additional property: CopyrightChainExplorerURL
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additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959123
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959123
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900360
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T11:35:32Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd81f245dc55c1ba3089c7a9cf8f80583af2410bd864e316bc49dc61f2a8ef24. Chain 2 (Bitcoin): anchored in block 959123 (2026-07-22T11:35:32Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NZAM01900360.
  date published: 2026-07-22T11:35:32Z
audio: O Cangaceiro
  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: 0.519
  additional property: Energy
    type: PropertyValue
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  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.156
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.132
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.942
  additional property: Loudness (dB)
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    value: -9.07
  additional property: Key Name
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  additional property: Mode Name
    type: PropertyValue
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The Very Best of Barefoot Boys, Vol. 11
type: MusicAlbum
date published: 1991-03-02

The Very Best of Barefoot Boys, Vol. 11
type: MusicAlbum
date published: 1991-06-01

The Very Best of Barefoot Boys Vol.12
type: MusicAlbum
date published: 1991-07-01

The Very Best of Barefoot Boys, Vol.13
type: MusicAlbum
date published: 1991-07-20

The Very Best of Barefoot Boys, Vol.15
type: MusicAlbum
date published: 1991-08-20

The Very Best of the Barefoot Boys, Vol. 1
type: MusicAlbum
date published: 1992-02-21

The Very Best of The Barefoot Boys, Vol. 1
type: MusicAlbum
date published: 1992-09-01

Les Barefoot Boys En Concert
type: MusicAlbum
date published: 2000-12-31

The Very Best of Barefoot Boys, Vol.13
type: MusicAlbum
date published: 2019-02-21

The Very Best of Barefoot Boys, Vol.13
type: MusicAlbum
date published: 2019-02-21