Matilde Sanchez "La Torcacita"
type: MusicGroup
genre: mariachi
genre: música mexicana
genre: ranchera
popularity: 20
followers: 2438
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x74c7423d4a10ae615efab515c13a8b905e18e697a44fba2cb5db36057d450704
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953750
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953750
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6f4a76f-95e9-48d7-bbc7-4b718d23394d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a6f4a76f-95e9-48d7-bbc7-4b718d23394d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a6f4a76f-95e9-48d7-bbc7-4b718d23394d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T06:12:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x74c7423d4a10ae615efab515c13a8b905e18e697a44fba2cb5db36057d450704","name":"Matilde Sanchez \"La Torcacita\"","registered_at":"2026-06-14T22:04:09Z","symbol":"NIM0590322","token_address":"0x885575f77a40972e2a578a34b24319315716f1be","type":"artist","uuid":"a6f4a76f-95e9-48d7-bbc7-4b718d23394d"}
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 0x74c7423d4a10ae615efab515c13a8b905e18e697a44fba2cb5db36057d450704. Chain 2 (Bitcoin): anchored in block 953750 (2026-06-15T06:12:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a6f4a76f-95e9-48d7-bbc7-4b718d23394d.json and https://artists.proofprofile.net/proofs/artist/a6f4a76f-95e9-48d7-bbc7-4b718d23394d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T06:12:23Z
  text: {"copyright_id":"0x74c7423d4a10ae615efab515c13a8b905e18e697a44fba2cb5db36057d450704","name":"Matilde Sanchez \"La Torcacita\"","registered_at":"2026-06-14T22:04:09Z","symbol":"NIM0590322","token_address":"0x885575f77a40972e2a578a34b24319315716f1be","type":"artist","uuid":"a6f4a76f-95e9-48d7-bbc7-4b718d23394d"}
album: 3 Grandes Damas de la Canción Ranchera 1
  type: MusicAlbum
  date published: 2004-03-18
album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
  type: MusicAlbum
  date published: 2013-08-27
  track: Estrellita del Sur
    type: MusicRecording
    duration: PT3M4S
    duration ms: 184000
    explicit: false
    by artist: Matilde Sanchez "La Torcacita"
    in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
      type: MusicAlbum
      date published: 2013-08-27
    genre: mariachi
    genre: música mexicana
    genre: ranchera
    isrc code: MXF019501275
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T10:56:36+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x802389784b3d5730f2dfbc15afa9500797807e90e9b6a1848ad4c0875577e3c7
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956822
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956822
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF019501275
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T18:48:28Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp 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 0x802389784b3d5730f2dfbc15afa9500797807e90e9b6a1848ad4c0875577e3c7. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF019501275.
      date published: 2026-07-05T18:48:28Z
    audio: Estrellita del Sur
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 163.029
      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: 0.586
      additional property: Energy
        type: PropertyValue
        value: 0.25
      additional property: Speechiness
        type: PropertyValue
        value: 0.179
      additional property: Acousticness
        type: PropertyValue
        value: 0.828
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.091
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.842
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.706
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Nube Gris
    type: MusicRecording
    duration: PT2M28S
    duration ms: 148560
    explicit: false
    by artist: Matilde Sanchez "La Torcacita"
    in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
      type: MusicAlbum
      date published: 2013-08-27
    genre: mariachi
    genre: música mexicana
    genre: ranchera
    isrc code: MXF019501284
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-21T11:44:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x8d4c88654773e53355d6c71181d5c37bfd5b513ba6ac328b82af6b60b24f9ce0
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 959009
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/959009
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF019501284
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-21T13:14:47Z
    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 0x8d4c88654773e53355d6c71181d5c37bfd5b513ba6ac328b82af6b60b24f9ce0. Chain 2 (Bitcoin): anchored in block 959009 (2026-07-21T13:14:47Z), 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/MXF019501284.
      date published: 2026-07-21T13:14:47Z
    audio: Nube Gris
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 173.714
      additional property: Musical Key
        type: PropertyValue
        value: 11
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.463
      additional property: Energy
        type: PropertyValue
        value: 0.365
      additional property: Speechiness
        type: PropertyValue
        value: 0.069
      additional property: Acousticness
        type: PropertyValue
        value: 0.941
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Bala Perdida
  track: Dos Arbolitos
  track: Rancho Alegre
  track: Paloma Torcaza
album: 15 Éxitos de Maltilde Sánchez " La Torcacita" Versiones Originales
album: Matilde Sánchez "La Torcacita"
album: XEW La Voz de America Latina
album: Peerless 80 Aniversario - 24 Rancheras Inolvidables
album: Zorzales de Antaño… Echenme La Tierra Encima
album: 25 Grandes Canciones y Rancheras

Instrumentalness
type: PropertyValue
value: 0

Liveness
type: PropertyValue
value: 0.204

Valence (Positivity)
type: PropertyValue
value: 0.797

Loudness (dB)
type: PropertyValue
value: -6.737

Key Name
type: PropertyValue
value: B

Mode Name
type: PropertyValue
value: Major

Bala Perdida
type: MusicRecording
duration: PT2M47S
duration ms: 167840
explicit: false
by artist: Matilde Sanchez "La Torcacita"
in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
  type: MusicAlbum
  date published: 2013-08-27
genre: mariachi
genre: música mexicana
genre: ranchera
isrc code: MXF015800210
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-17T12:52:54+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d1c4ffab20bb55bd800e6bf24457ad19b1df7748d3d944d92c8730a9ac0ed67
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958417
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958417
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF015800210
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T12:56:50Z
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 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 0x7d1c4ffab20bb55bd800e6bf24457ad19b1df7748d3d944d92c8730a9ac0ed67. Chain 2 (Bitcoin): anchored in block 958417 (2026-07-17T12:56:50Z), 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/MXF015800210.
  date published: 2026-07-17T12:56:50Z
audio: Bala Perdida
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 195.836
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 3
  additional property: Danceability
    type: PropertyValue
    value: 0.404
  additional property: Energy
    type: PropertyValue
    value: 0.425
  additional property: Speechiness
    type: PropertyValue
    value: 0.057
  additional property: Acousticness
    type: PropertyValue
    value: 0.745
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.158
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.714
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.025
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Dos Arbolitos
type: MusicRecording
duration: PT2M31S
duration ms: 151000
explicit: false
by artist: Matilde Sanchez "La Torcacita"
in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
  type: MusicAlbum
  date published: 2013-08-27
genre: mariachi
genre: música mexicana
genre: ranchera
isrc code: MXF018000254
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-19T21:13:31+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x27863f5e5b3e4fb95c440faec966ad52ffe136f3e8ccc69aa054ec7ebab0083c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958783
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958783
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF018000254
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-19T21:20:45Z
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 0x27863f5e5b3e4fb95c440faec966ad52ffe136f3e8ccc69aa054ec7ebab0083c. Chain 2 (Bitcoin): anchored in block 958783 (2026-07-19T21:20:45Z), 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/MXF018000254.
  date published: 2026-07-19T21:20:45Z
audio: Dos Arbolitos
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 97.378
  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: 0.36
  additional property: Energy
    type: PropertyValue
    value: 0.292
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.576
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.363
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.326
  additional property: Loudness (dB)
    type: PropertyValue
    value: -8.879
  additional property: Key Name
    type: PropertyValue
    value: G
  additional property: Mode Name
    type: PropertyValue
    value: Major

Rancho Alegre
type: MusicRecording
duration: PT3M14S
duration ms: 194000
explicit: false
by artist: Matilde Sanchez "La Torcacita"
in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
  type: MusicAlbum
  date published: 2013-08-27
genre: mariachi
genre: música mexicana
genre: ranchera
isrc code: MXF010100575
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T04:38:32+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x66ed0166325dcd6a60e07c9637a2c5cc818ec3b5960fbd835398c562139f1fa9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959100
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959100
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF010100575
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T05:29:55Z
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 0x66ed0166325dcd6a60e07c9637a2c5cc818ec3b5960fbd835398c562139f1fa9. Chain 2 (Bitcoin): anchored in block 959100 (2026-07-22T05:29:55Z), 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/MXF010100575.
  date published: 2026-07-22T05:29:55Z
audio: Rancho Alegre
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 133.195
  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: 0.592
  additional property: Energy
    type: PropertyValue
    value: 0.269
  additional property: Speechiness
    type: PropertyValue
    value: 0.036
  additional property: Acousticness
    type: PropertyValue
    value: 0.278
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.051
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.819
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.39
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Paloma Torcaza
type: MusicRecording
duration: PT2M18S
duration ms: 138813
explicit: false
by artist: Matilde Sanchez "La Torcacita"
in album: Tesoros de Colección - la Torcacita - la Panchita - la Consentida
  type: MusicAlbum
  date published: 2013-08-27
genre: mariachi
genre: música mexicana
genre: ranchera
isrc code: MXF018600892
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-03T11:49:25+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08da7701925077599aeb2a608e885d7f7df1418812b40b2ca49d0e666df24873
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956545
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956545
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/MXF018600892
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-03T19:59:51Z
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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  encoding format: application/vnd.opentimestamps.ots
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