Nohema Fernandez
type: MusicGroup
genre: minimalism
genre: neoclassical
popularity: 4
followers: 21
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b4a989bbc2dab2898668beb768b086e1e5082b30bd9fd837e9c4731d5716d26
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954555
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954555
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aebd3e68-25a2-48f9-8fd9-adfc9a38a467.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/aebd3e68-25a2-48f9-8fd9-adfc9a38a467.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/aebd3e68-25a2-48f9-8fd9-adfc9a38a467
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T12:10:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b4a989bbc2dab2898668beb768b086e1e5082b30bd9fd837e9c4731d5716d26","name":"Nohema Fernandez","registered_at":"2026-06-20T10:47:22Z","symbol":"NIM1595736","token_address":"0xd325ee919d30266aea483072f98d8bb4327ff493","type":"artist","uuid":"aebd3e68-25a2-48f9-8fd9-adfc9a38a467"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9b4a989bbc2dab2898668beb768b086e1e5082b30bd9fd837e9c4731d5716d26. Chain 2 (Bitcoin): anchored in block 954555 (2026-06-20T12:10:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/aebd3e68-25a2-48f9-8fd9-adfc9a38a467.json and https://artists.proofprofile.net/proofs/artist/aebd3e68-25a2-48f9-8fd9-adfc9a38a467.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-20T12:10:20Z
  text: {"copyright_id":"0x9b4a989bbc2dab2898668beb768b086e1e5082b30bd9fd837e9c4731d5716d26","name":"Nohema Fernandez","registered_at":"2026-06-20T10:47:22Z","symbol":"NIM1595736","token_address":"0xd325ee919d30266aea483072f98d8bb4327ff493","type":"artist","uuid":"aebd3e68-25a2-48f9-8fd9-adfc9a38a467"}
track: Prole do bebe No. 1: Branquinha (A boneca de louca)
  type: MusicRecording
  duration: PT3M1S
  duration ms: 181680
  explicit: false
  by artist: Heitor Villa-Lobos
  by artist: Nohema Fernandez
  in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
    type: MusicAlbum
    date published: 2002-01-01
  isrc code: US8270910806
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-29T22:01:43+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x66ff8919e1e2faf2a00984f7963b84a174ea51108fdf53c5c9f7652eb999c668
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960157
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960157
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910806
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-29T22:12:10Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x66ff8919e1e2faf2a00984f7963b84a174ea51108fdf53c5c9f7652eb999c668. Chain 2 (Bitcoin): anchored in block 960157 (2026-07-29T22:12:10Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910806 — a six-check JSON result.
    date published: 2026-07-29T22:12:10Z
  audio: Prole do bebe No. 1: Branquinha (A boneca de louca)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 103.67
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.352
    additional property: Energy
      type: PropertyValue
      value: 0.022
    additional property: Speechiness
      type: PropertyValue
      value: 0.045
    additional property: Acousticness
      type: PropertyValue
      value: 0.991
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.728
    additional property: Liveness
      type: PropertyValue
      value: 0.057
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.036
    additional property: Loudness (dB)
      type: PropertyValue
      value: -31.254
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Prole do bebe No. 1: Morenhina (A boneca de massa)
  type: MusicRecording
  duration: PT1M44S
  duration ms: 104520
  explicit: false
  by artist: Heitor Villa-Lobos
  by artist: Nohema Fernandez
  in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
    type: MusicAlbum
    date published: 2002-01-01
  isrc code: US8270910807
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-30T22:40:58+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0fee57991dc955d704eae8623ae7ffda3fec738229bbd4531848640a2c05ca3a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 960327
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/960327
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910807
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-31T00:26:26Z
  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0fee57991dc955d704eae8623ae7ffda3fec738229bbd4531848640a2c05ca3a. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910807 — a six-check JSON result.
    date published: 2026-07-31T00:26:26Z
  audio: Prole do bebe No. 1: Morenhina (A boneca de massa)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 98.343
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 5
    additional property: Danceability
      type: PropertyValue
      value: 0.31
    additional property: Energy
      type: PropertyValue
      value: 0.041
    additional property: Speechiness
      type: PropertyValue
      value: 0.033
    additional property: Acousticness
      type: PropertyValue
      value: 0.994
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.902
    additional property: Liveness
      type: PropertyValue
      value: 0.109
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.07
    additional property: Loudness (dB)
    additional property: Key Name
    additional property: Mode Name
track: Prole do bebe No. 1: Caboclinha (A boneca de barro)
track: Prole do bebe No. 1: Negrinha (A boneca de pau)
track: Prole do bebe No. 1: A pobrezinha (A boneca de trapo)
track: Prole do bebe No. 1: O Polichinello
track: Prole do bebe No. 1: A bruxa (A boneca de pano)
track: Lenda do Caboclo
track: As tres Marias: No. 1. Alnitah
track: As tres Marias: No. 2. Alnilam
track: As tres Marias: No. 3. Mintika
track: Saudades das selvas brasileiras: II. Un poco animado
track: Choros No. 5, "Alma brasileira"
track: Momoprecoce fantasy

Loudness (dB)
type: PropertyValue
value: -31.098

Key Name
type: PropertyValue
value: Eb

Mode Name
type: PropertyValue
value: Minor

Prole do bebe No. 1: Caboclinha (A boneca de barro)
type: MusicRecording
duration: PT3M7S
duration ms: 187453
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910808
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:59:40+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd42c3e9b4fcc0ffaac75b8ba83f06abce0e9037ad06c61569d9856c626d9a0d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910808
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xcd42c3e9b4fcc0ffaac75b8ba83f06abce0e9037ad06c61569d9856c626d9a0d. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910808 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Prole do bebe No. 1: Caboclinha (A boneca de barro)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 103.254
  additional property: Musical Key
    type: PropertyValue
    value: 10
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.401
  additional property: Energy
    type: PropertyValue
    value: 0.019
  additional property: Speechiness
    type: PropertyValue
    value: 0.052
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.877
  additional property: Liveness
    type: PropertyValue
    value: 0.074
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.642
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Prole do bebe No. 1: Negrinha (A boneca de pau)
type: MusicRecording
duration: PT1M27S
duration ms: 87760
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910810
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:22:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd22d05c017fd47bba8ad8e4dccc11f7c9f9f22f26cb275586e81304b4f13a4d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910810
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xfd22d05c017fd47bba8ad8e4dccc11f7c9f9f22f26cb275586e81304b4f13a4d. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910810 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Prole do bebe No. 1: Negrinha (A boneca de pau)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.74
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.361
  additional property: Energy
    type: PropertyValue
    value: 0.06
  additional property: Speechiness
    type: PropertyValue
    value: 0.038
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.925
  additional property: Liveness
    type: PropertyValue
    value: 0.073
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.1
  additional property: Loudness (dB)
    type: PropertyValue
    value: -28.806
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prole do bebe No. 1: A pobrezinha (A boneca de trapo)
type: MusicRecording
duration: PT2M19S
duration ms: 139920
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910811
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T07:20:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d265cd3805452c26f2416e38854ca5c6de35f047332ec1a05e8bbb2da0e7ce7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960368
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960368
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910811
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T08:26:41Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7d265cd3805452c26f2416e38854ca5c6de35f047332ec1a05e8bbb2da0e7ce7. Chain 2 (Bitcoin): anchored in block 960368 (2026-07-31T08:26:41Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910811 — a six-check JSON result.
  date published: 2026-07-31T08:26:41Z
audio: Prole do bebe No. 1: A pobrezinha (A boneca de trapo)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 165.537
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.416
  additional property: Energy
    type: PropertyValue
    value: 0.001
  additional property: Speechiness
    type: PropertyValue
    value: 0.087
  additional property: Acousticness
    type: PropertyValue
    value: 0.962
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.82
  additional property: Liveness
    type: PropertyValue
    value: 0.079
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.231
  additional property: Loudness (dB)
    type: PropertyValue
    value: -44.804
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Prole do bebe No. 1: O Polichinello
type: MusicRecording
duration: PT1M0S
duration ms: 60493
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910812
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T06:36:20+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x46220a29f9f0dffe1ead5e7e813a408bff992b35de38abe1da5645e1537c850d
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960362
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960362
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910812
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T06:58:00Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x46220a29f9f0dffe1ead5e7e813a408bff992b35de38abe1da5645e1537c850d. Chain 2 (Bitcoin): anchored in block 960362 (2026-07-31T06:58:00Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910812 — a six-check JSON result.
  date published: 2026-07-31T06:58:00Z
audio: Prole do bebe No. 1: O Polichinello
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 98.262
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 6
  additional property: Danceability
    type: PropertyValue
    value: 0.249
  additional property: Energy
    type: PropertyValue
    value: 0.059
  additional property: Speechiness
    type: PropertyValue
    value: 0.033
  additional property: Acousticness
    type: PropertyValue
    value: 0.99
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.81
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.396
  additional property: Loudness (dB)
    type: PropertyValue
    value: -30.301
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Prole do bebe No. 1: A bruxa (A boneca de pano)
type: MusicRecording
duration: PT2M45S
duration ms: 165093
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910813
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-30T22:58:47+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x419cbdd45e9ea46cc460bb1e9571122861eed77e66af2af0c7348d0e60a2203c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960327
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960327
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910813
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T00:26:26Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x419cbdd45e9ea46cc460bb1e9571122861eed77e66af2af0c7348d0e60a2203c. Chain 2 (Bitcoin): anchored in block 960327 (2026-07-31T00:26:26Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910813 — a six-check JSON result.
  date published: 2026-07-31T00:26:26Z
audio: Prole do bebe No. 1: A bruxa (A boneca de pano)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.689
  additional property: Musical Key
    type: PropertyValue
    value: 1
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.396
  additional property: Energy
    type: PropertyValue
    value: 0.037
  additional property: Speechiness
    type: PropertyValue
    value: 0.04
  additional property: Acousticness
    type: PropertyValue
    value: 0.989
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.863
  additional property: Liveness
    type: PropertyValue
    value: 0.068
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.05
  additional property: Loudness (dB)
    type: PropertyValue
    value: -29.692
  additional property: Key Name
    type: PropertyValue
    value: C#
  additional property: Mode Name
    type: PropertyValue
    value: Major

Lenda do Caboclo
type: MusicRecording
duration: PT4M20S
duration ms: 260360
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910814
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:03:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x3b694dc550e4688a0e37d6689e697918f3231fddf52bcd374daaaaa1b4433489
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910814
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x3b694dc550e4688a0e37d6689e697918f3231fddf52bcd374daaaaa1b4433489. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910814 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Lenda do Caboclo
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 140.745
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.418
  additional property: Energy
    type: PropertyValue
    value: 0.004
  additional property: Speechiness
    type: PropertyValue
    value: 0.043
  additional property: Acousticness
    type: PropertyValue
    value: 0.995
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.923
  additional property: Liveness
    type: PropertyValue
    value: 0.069
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.035
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.979
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

As tres Marias: No. 1. Alnitah
type: MusicRecording
duration: PT1M3S
duration ms: 63653
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910815
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T12:13:50+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x69dbef63f4d2dbd33e0f7519440dcf490f637d1a0d690d09f497d2040e647c8a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960403
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960403
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910815
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T13:04:34Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x69dbef63f4d2dbd33e0f7519440dcf490f637d1a0d690d09f497d2040e647c8a. Chain 2 (Bitcoin): anchored in block 960403 (2026-07-31T13:04:34Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910815 — a six-check JSON result.
  date published: 2026-07-31T13:04:34Z
audio: As tres Marias: No. 1. Alnitah
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 145.234
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.335
  additional property: Energy
    type: PropertyValue
    value: 0.033
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.969
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.949
  additional property: Liveness
    type: PropertyValue
    value: 0.078
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.396
  additional property: Loudness (dB)
    type: PropertyValue
    value: -32.924
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

As tres Marias: No. 2. Alnilam
type: MusicRecording
duration: PT1M41S
duration ms: 101666
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910816
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T13:11:59+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x76dbaa981ca49e5b3b4f01d80cee9c82cdbbfb4bfcc2a21d37040b64443edddb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910816
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x76dbaa981ca49e5b3b4f01d80cee9c82cdbbfb4bfcc2a21d37040b64443edddb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910816 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: As tres Marias: No. 2. Alnilam
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 163.49
  additional property: Musical Key
    type: PropertyValue
    value: 7
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.424
  additional property: Energy
    type: PropertyValue
    value: 0.007
  additional property: Speechiness
    type: PropertyValue
    value: 0.077
  additional property: Acousticness
    type: PropertyValue
    value: 0.963
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.854
  additional property: Liveness
    type: PropertyValue
    value: 0.064
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.323
  additional property: Loudness (dB)
    type: PropertyValue
    value: -35.418
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

As tres Marias: No. 3. Mintika
type: MusicRecording
duration: PT1M43S
duration ms: 103720
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910817
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-31T15:03:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9d37767efb2d945a603316fcfe1e2e3fe342db0295ba86ebc4f414203c3ebdee
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 960418
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/960418
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910817
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-31T15:20:15Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9d37767efb2d945a603316fcfe1e2e3fe342db0295ba86ebc4f414203c3ebdee. Chain 2 (Bitcoin): anchored in block 960418 (2026-07-31T15:20:15Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910817 — a six-check JSON result.
  date published: 2026-07-31T15:20:15Z
audio: As tres Marias: No. 3. Mintika
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 115.091
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 5
  additional property: Danceability
    type: PropertyValue
    value: 0.273
  additional property: Energy
    type: PropertyValue
    value: 0.024
  additional property: Speechiness
    type: PropertyValue
    value: 0.042
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.942
  additional property: Liveness
    type: PropertyValue
    value: 0.157
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.277
  additional property: Loudness (dB)
    type: PropertyValue
    value: -36.633
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Saudades das selvas brasileiras: II. Un poco animado
type: MusicRecording
duration: PT3M17S
duration ms: 197066
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910819
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-07T14:51:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x35f414d88841564ff6fb2e1f21e2c207903122ddbc3ca334fb3ede2ba9194afb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957118
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957118
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910819
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:20:19Z
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x35f414d88841564ff6fb2e1f21e2c207903122ddbc3ca334fb3ede2ba9194afb. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910819 — a six-check JSON result.
  date published: 2026-07-08T03:20:19Z
audio: Saudades das selvas brasileiras: II. Un poco animado
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 100.108
  additional property: Musical Key
    type: PropertyValue
    value: 6
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.217
  additional property: Energy
    type: PropertyValue
    value: 0.011
  additional property: Speechiness
    type: PropertyValue
    value: 0.034
  additional property: Acousticness
    type: PropertyValue
    value: 0.994
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.962
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.092
  additional property: Loudness (dB)
    type: PropertyValue
    value: -34.151
  additional property: Key Name
    type: PropertyValue
    value: F#
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Choros No. 5, "Alma brasileira"
type: MusicRecording
duration: PT6M32S
duration ms: 392266
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
  type: MusicAlbum
  date published: 2002-01-01
isrc code: US8270910820
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/960360
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910820
additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbe3290e937127c3a8baf5390ee0c5cf08c7dfea037400c0a2c71c6f4e46496f2. Chain 2 (Bitcoin): anchored in block 960360 (2026-07-31T06:42:11Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910820 — a six-check JSON result.
  date published: 2026-07-31T06:42:11Z
audio: Choros No. 5, "Alma brasileira"
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  additional property: Danceability
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  additional property: Speechiness
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  additional property: Liveness
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  additional property: Valence (Positivity)
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  additional property: Loudness (dB)
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    value: -31.608
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  additional property: Mode Name
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Momoprecoce fantasy
type: MusicRecording
duration: PT22M33S
duration ms: 1353466
explicit: false
by artist: Heitor Villa-Lobos
by artist: Nohema Fernandez
by artist: Seoul Philharmonic Orchestra
by artist: Paul Freeman
in album: Villa-Lobos, H.: Prole Do Bebe No. 1 / As Tres Marias / Saudades Das Selvas Brasileiras
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  date published: 2002-01-01
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additional property: CopyrightStatus
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSVerificationAPI
  type: PropertyValue
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additional property: OTSTimestamp
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x505bf350d350dba37ac04bae3b9b264be0f2cbbdeff3d6b355f1f427a0e0e3e4. Chain 2 (Bitcoin): anchored in block 960455 (2026-07-31T19:53:13Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/US8270910821 — a six-check JSON result.
  date published: 2026-07-31T19:53:13Z
audio: Momoprecoce fantasy
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  additional property: Mode (Major/Minor)
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  additional property: Acousticness
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