Mar All-Stars
type: MusicGroup
popularity: 17
followers: 318
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xfd5e5ac2de0475b8f478bf3f3a62317500c958540c309198c8bc376629792470
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953717
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953717
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/880512fa-071e-4e7f-bb26-e96b109c88f0.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/880512fa-071e-4e7f-bb26-e96b109c88f0.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/880512fa-071e-4e7f-bb26-e96b109c88f0
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T01:05:33Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xfd5e5ac2de0475b8f478bf3f3a62317500c958540c309198c8bc376629792470","name":"Mar All-Stars","registered_at":"2026-06-14T18:47:26Z","symbol":"NIM0543413","token_address":"0x5a6d6ff0172b7399f7b0d5e361d57409e6ef3f48","type":"artist","uuid":"880512fa-071e-4e7f-bb26-e96b109c88f0"}
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 0xfd5e5ac2de0475b8f478bf3f3a62317500c958540c309198c8bc376629792470. Chain 2 (Bitcoin): anchored in block 953717 (2026-06-15T01:05:33Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/880512fa-071e-4e7f-bb26-e96b109c88f0.json and https://artists.proofprofile.net/proofs/artist/880512fa-071e-4e7f-bb26-e96b109c88f0.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T01:05:33Z
  text: {"copyright_id":"0xfd5e5ac2de0475b8f478bf3f3a62317500c958540c309198c8bc376629792470","name":"Mar All-Stars","registered_at":"2026-06-14T18:47:26Z","symbol":"NIM0543413","token_address":"0x5a6d6ff0172b7399f7b0d5e361d57409e6ef3f48","type":"artist","uuid":"880512fa-071e-4e7f-bb26-e96b109c88f0"}
album: Mis XV Anos
  type: MusicAlbum
  date published: 2007-07-10
  track: El Navajo Azul
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179613
    explicit: false
    by artist: Mar All-Stars
    in album: Mis XV Anos
      type: MusicAlbum
      date published: 2007-07-10
    isrc code: QM6DC1547136
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T00:07:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x45499b1e01b953d6434506d68c7f6314232fb47818e33fd18654a050803385b4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958087
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958087
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1547136
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T02:56:49Z
    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 0x45499b1e01b953d6434506d68c7f6314232fb47818e33fd18654a050803385b4. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), 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/QM6DC1547136.
      date published: 2026-07-15T02:56:49Z
    audio: El Navajo Azul
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.089
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.508
      additional property: Energy
        type: PropertyValue
        value: 0.305
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.035
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.19
      additional property: Liveness
        type: PropertyValue
        value: 0.263
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.236
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.98
      additional property: Key Name
        type: PropertyValue
        value: F
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Mis XV Anos
  type: MusicAlbum
  date published: 2007-07-10
album: Mis XV Anos
  type: MusicAlbum
  date published: 2007-07-10
  track: El Navajo Azul
    type: MusicRecording
    duration: PT2M59S
    duration ms: 179613
    explicit: false
    by artist: Mar All-Stars
    in album: Mis XV Anos
      type: MusicAlbum
      date published: 2007-07-10
    isrc code: QM6DC1547136
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x45499b1e01b953d6434506d68c7f6314232fb47818e33fd18654a050803385b4
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958091
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958091
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1547136
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T03:17:03Z
    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 0x45499b1e01b953d6434506d68c7f6314232fb47818e33fd18654a050803385b4. Chain 2 (Bitcoin): anchored in block 958091 (2026-07-15T03:17:03Z), 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/QM6DC1547136.
      date published: 2026-07-15T03:17:03Z
    audio: El Navajo Azul
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 80.089
      additional property: Musical Key
        type: PropertyValue
        value: 5
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.508
      additional property: Energy
        type: PropertyValue
        value: 0.305
      additional property: Speechiness
        type: PropertyValue
        value: 0.035
      additional property: Acousticness
        type: PropertyValue
        value: 0.035
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.19
      additional property: Liveness
        type: PropertyValue
        value: 0.263
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Marcha Nupcial
album: Puros Corridos Picudos
album: Navidad Sonidera, Vol. 2
album: Sonidero Vol. 1
album: Navidad Sonidera
album: Sonidero, Vol. 1
album: Corridos Con Banda

Valence (Positivity)
type: PropertyValue
value: 0.236

Loudness (dB)
type: PropertyValue
value: -10.98

Key Name
type: PropertyValue
value: F

Mode Name
type: PropertyValue
value: Major

Marcha Nupcial
type: MusicAlbum
date published: 2015-06-15

Marcha Nupcial
type: MusicAlbum
date published: 2015-06-15
track: Marcha Nupcial
  type: MusicRecording
  duration: PT4M37S
  duration ms: 277000
  explicit: false
  by artist: Mar All-Stars
  in album: Marcha Nupcial
    type: MusicAlbum
    date published: 2015-06-15
  isrc code: QM6DC1548499
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T19:30:00+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x37707d513b3d69db5d0f430fc8481cb9c3336fd26a00c7acfa0dc87c1de95b2d
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958774
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958774
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1548499
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T22:33:37Z
  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 0x37707d513b3d69db5d0f430fc8481cb9c3336fd26a00c7acfa0dc87c1de95b2d. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T22:33:37Z), 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/QM6DC1548499.
    date published: 2026-07-19T22:33:37Z
  audio: Marcha Nupcial
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 76.194
    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: 0.479
    additional property: Energy
      type: PropertyValue
      value: 0.313
    additional property: Speechiness
      type: PropertyValue
      value: 0.032
    additional property: Acousticness
      type: PropertyValue
      value: 0.865
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.937
    additional property: Liveness
      type: PropertyValue
      value: 0.14
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.364
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.011
    additional property: Key Name
      type: PropertyValue
      value: C
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Vals De Aniversario
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161013
  explicit: false
  by artist: Mar All-Stars
  in album: Marcha Nupcial
    type: MusicAlbum
    date published: 2015-06-15
  isrc code: QM6DC1548502
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T11:18:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x93c0b1b47d7642c0e756d8278ee142e9e7e57ef3812f269e59d12d1e8118bc4a
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956728
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956728
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1548502
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T01:43:49Z
  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 0x93c0b1b47d7642c0e756d8278ee142e9e7e57ef3812f269e59d12d1e8118bc4a. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QM6DC1548502.
    date published: 2026-07-05T01:43:49Z
  audio: Vals De Aniversario
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 150.229
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.296
    additional property: Energy
      type: PropertyValue
      value: 0.23
    additional property: Speechiness
      type: PropertyValue
      value: 0.029
    additional property: Acousticness
      type: PropertyValue
      value: 0.057
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.674
    additional property: Liveness
      type: PropertyValue
      value: 0.092
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.637
    additional property: Loudness (dB)
      type: PropertyValue
      value: -10.651
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Marcha Nupcial
type: MusicAlbum
date published: 2015-06-15

Puros Corridos Picudos
type: MusicAlbum
date published: 2015-07-10
track: El Cabo De Michoacan
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195733
  explicit: false
  by artist: Mar All-Stars
  in album: Puros Corridos Picudos
    type: MusicAlbum
    date published: 2015-07-10
  isrc code: QM6DC1548396
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd4bcd9d4065708196d13e2ce6e19d3d11a9a8fd36d40b6a08bdd0da3deef0b2f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958987
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958987
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1548396
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-21T11:05:06Z
  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 0xd4bcd9d4065708196d13e2ce6e19d3d11a9a8fd36d40b6a08bdd0da3deef0b2f. Chain 2 (Bitcoin): anchored in block 958987 (2026-07-21T11:05:06Z), 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/QM6DC1548396.
    date published: 2026-07-21T11:05:06Z
  audio: El Cabo De Michoacan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 198.178
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.288
    additional property: Energy
      type: PropertyValue
      value: 0.649
    additional property: Speechiness
      type: PropertyValue
      value: 0.245
    additional property: Acousticness
      type: PropertyValue
      value: 0.245
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.294
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.769
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.57
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Navidad Sonidera, Vol. 2
type: MusicAlbum
date published: 2015-07-10

Sonidero Vol. 1
type: MusicAlbum
date published: 2015-07-10

Navidad Sonidera
type: MusicAlbum
date published: 2015-07-10

Navidad Sonidera, Vol. 2
type: MusicAlbum
date published: 2015-07-10

Sonidero, Vol. 1
type: MusicAlbum
date published: 2015-07-10

Navidad Sonidera
type: MusicAlbum
date published: 2015-07-10

Sonidero Vol. 1
type: MusicAlbum
date published: 2015-07-10

Puros Corridos Picudos
type: MusicAlbum
date published: 2015-07-10

Puros Corridos Picudos
type: MusicAlbum
date published: 2015-07-10
track: El Cabo De Michoacan
  type: MusicRecording
  duration: PT3M15S
  duration ms: 195733
  explicit: false
  by artist: Mar All-Stars
  in album: Puros Corridos Picudos
    type: MusicAlbum
    date published: 2015-07-10
  isrc code: QM6DC1548396
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T21:27:39+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd4bcd9d4065708196d13e2ce6e19d3d11a9a8fd36d40b6a08bdd0da3deef0b2f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958935
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958935
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1548396
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T22:08:19Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd4bcd9d4065708196d13e2ce6e19d3d11a9a8fd36d40b6a08bdd0da3deef0b2f. Chain 2 (Bitcoin): anchored in block 958935 (2026-07-20T22:08:19Z), 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QM6DC1548396.
    date published: 2026-07-20T22:08:19Z
  audio: El Cabo De Michoacan
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 198.178
    additional property: Musical Key
      type: PropertyValue
      value: 8
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 3
    additional property: Danceability
      type: PropertyValue
      value: 0.288
    additional property: Energy
      type: PropertyValue
      value: 0.649
    additional property: Speechiness
      type: PropertyValue
      value: 0.245
    additional property: Acousticness
      type: PropertyValue
      value: 0.245
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.294
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.769
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.57
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Major

Navidad Sonidera, Vol. 2
type: MusicAlbum
date published: 2015-07-10

Navidad Sonidera
type: MusicAlbum
date published: 2015-07-10

Corridos Con Banda
type: MusicAlbum
date published: 2016-02-12