Sergio Alvarez
type: MusicGroup
genre: son cubano
popularity: 30
followers: 599
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x49a049689d78fd2db158eb82e10b175d938d4c3548de7544698b953e192a3b4b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3737ea7d-9d0b-4f3f-988d-6888f2d7cedc.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3737ea7d-9d0b-4f3f-988d-6888f2d7cedc.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3737ea7d-9d0b-4f3f-988d-6888f2d7cedc
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x49a049689d78fd2db158eb82e10b175d938d4c3548de7544698b953e192a3b4b","name":"Sergio Alvarez","registered_at":"2026-06-11T16:48:00Z","symbol":"NIM0072411","token_address":"0x5ae031070ae42f7541dfab4883bf9ee8b1daa9b4","type":"artist","uuid":"3737ea7d-9d0b-4f3f-988d-6888f2d7cedc"}
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 → block must exist at that height 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 0x49a049689d78fd2db158eb82e10b175d938d4c3548de7544698b953e192a3b4b. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3737ea7d-9d0b-4f3f-988d-6888f2d7cedc.json and https://artists.proofprofile.net/proofs/artist/3737ea7d-9d0b-4f3f-988d-6888f2d7cedc.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x49a049689d78fd2db158eb82e10b175d938d4c3548de7544698b953e192a3b4b","name":"Sergio Alvarez","registered_at":"2026-06-11T16:48:00Z","symbol":"NIM0072411","token_address":"0x5ae031070ae42f7541dfab4883bf9ee8b1daa9b4","type":"artist","uuid":"3737ea7d-9d0b-4f3f-988d-6888f2d7cedc"}
album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
  track: Son de Camagüey
    type: MusicRecording
    duration: PT2M51S
    duration ms: 171000
    explicit: false
    by artist: Anonymous
    by artist: Mario Manzanares
    by artist: Sergio Alvarez
    by artist: Pablo Carcamo
    by artist: Miguel Castro
    in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: GBCKG0500658
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-22T09:54:35+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956312
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/956312
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/2v7SgtLlbqIswfwf0Rj2dN.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2v7SgtLlbqIswfwf0Rj2dN
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-02T05:09:12Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f","isrc":"GBCKG0500658","name":"Son de Camagüey","registered_at":"2026-06-22T09:54:35Z","spotify_id":"2v7SgtLlbqIswfwf0Rj2dN","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f. Chain 2 (Bitcoin): anchored in block 956312 (2026-07-02T05:09:12Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2v7SgtLlbqIswfwf0Rj2dN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2v7SgtLlbqIswfwf0Rj2dN.
      date published: 2026-07-02T05:09:12Z
      text: {"copyright_id":"0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f","isrc":"GBCKG0500658","name":"Son de Camagüey","registered_at":"2026-06-22T09:54:35Z","spotify_id":"2v7SgtLlbqIswfwf0Rj2dN","type":"track"}
  track: El refran se te olvido
    type: MusicRecording
    duration: PT3M43S
    duration ms: 223000
    explicit: false
    by artist: Anonymous
    by artist: Mario Manzanares
    by artist: Sergio Alvarez
    by artist: Pablo Carcamo
    by artist: Miguel Castro
    in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: GBCKG0600131
  track: Asi no papacito
    type: MusicRecording
    duration: PT4M9S
    duration ms: 249000
    explicit: false
    by artist: Anonymous
    by artist: Mario Manzanares
    by artist: Sergio Alvarez
    by artist: Pablo Carcamo
    by artist: Miguel Castro
    in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: GBCKG0600132
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-07T03:49:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953536
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block/953536
    additional property: OTSRecordURL
      type: PropertyValue
      value: https://artists.proofprofile.net/proofs/track/070vRAgWBtWgzDtWex7Unl.json
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/070vRAgWBtWgzDtWex7Unl
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-06-13T17:25:41Z
    additional property: OTSCanonicalRecord
      type: PropertyValue
      value: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"070vRAgWBtWgzDtWex7Unl","type":"track"}
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/070vRAgWBtWgzDtWex7Unl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/070vRAgWBtWgzDtWex7Unl.
      date published: 2026-06-13T17:25:41Z
      text: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"070vRAgWBtWgzDtWex7Unl","type":"track"}
  track: Yo Soy el Punto Cubano
    type: MusicRecording
    duration: PT4M23S
    duration ms: 263093
    explicit: false
    by artist: Anonymous
    by artist: Mario Manzanares
    by artist: Sergio Alvarez
    by artist: Pablo Carcamo
    by artist: Miguel Castro
    in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: GBCKG0600133
  track: Los aretes
    type: MusicRecording
    duration: PT2M30S
    duration ms: 150000
    explicit: false
    by artist: Anonymous
    by artist: Mario Manzanares
    by artist: Sergio Alvarez
    by artist: Pablo Carcamo
    by artist: Miguel Castro
    in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
      type: MusicAlbum
      date published: 2005-01-01
    isrc code: GBCKG0600134
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-06-05T10:02:46+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 953513
    additional property: OTSBitcoinBlockVerifyURL
    additional property: OTSRecordURL
    additional property: OTSVerificationAPI
    additional property: OTSTimestamp
    additional property: OTSCanonicalRecord
    additional property: OTSVerifyInstructions
    subject of: OpenTimestamps Proof of Existence
  track: Ya pararan
  track: Dame tu Cumbia
  track: Flores de pueblo nuevo
  track: Madrigal
  track: Tumba la cana
  track: El buen borincano
  track: Vuelve guajiro
  track: El carretero
album: Ni Más Ni Menos, Vol. 1
track: Los aretes
track: Vuelve guajiro
track: Asi no papacito
track: Madrigal
track: Ya pararan
track: Dame tu Cumbia
track: El Gil
track: El Tony
track: El J3
track: Pista En La Sierra
track: Me Gusta Poner Al Polvo
track: El Druggy
track: El Merf (El Grande)
track: El Mini-Mi
track: Chivo Tatemado
track: La Quetilla
track: El Mas Poderoso
track: Eres Mi Droga
track: Indita Mia
track: Son de Camaguey

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953513

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/2CimHhLjxIQVLfo5T75ABN.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CimHhLjxIQVLfo5T75ABN

OTSTimestamp
type: PropertyValue
value: 2026-06-13T12:47:07Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"2CimHhLjxIQVLfo5T75ABN","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CimHhLjxIQVLfo5T75ABN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CimHhLjxIQVLfo5T75ABN.
date published: 2026-06-13T12:47:07Z
text: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"2CimHhLjxIQVLfo5T75ABN","type":"track"}

Ya pararan
type: MusicRecording
duration: PT3M35S
duration ms: 215000
explicit: false
by artist: Sergio Alvarez
by artist: Mario Manzanares
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0500287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:36:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957120
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2XORqUs6zQ9VAC3ULlZzst.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XORqUs6zQ9VAC3ULlZzst
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:22:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"2XORqUs6zQ9VAC3ULlZzst","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2XORqUs6zQ9VAC3ULlZzst.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2XORqUs6zQ9VAC3ULlZzst.
  date published: 2026-07-08T03:22:41Z
  text: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"2XORqUs6zQ9VAC3ULlZzst","type":"track"}

Dame tu Cumbia
type: MusicRecording
duration: PT3M2S
duration ms: 182000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600135
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:16:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953520
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1e2M4hB1epSnDVZyfve3Jt.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1e2M4hB1epSnDVZyfve3Jt
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f","isrc":"GBCKG0600135","name":"Dame tu Cumbia","registered_at":"2026-06-08T06:16:57Z","spotify_id":"1e2M4hB1epSnDVZyfve3Jt","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1e2M4hB1epSnDVZyfve3Jt.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1e2M4hB1epSnDVZyfve3Jt.
  date published: 2026-06-13T13:32:09Z
  text: {"copyright_id":"0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f","isrc":"GBCKG0600135","name":"Dame tu Cumbia","registered_at":"2026-06-08T06:16:57Z","spotify_id":"1e2M4hB1epSnDVZyfve3Jt","type":"track"}

Flores de pueblo nuevo
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600136

Madrigal
type: MusicRecording
duration: PT4M26S
duration ms: 266000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T19:48:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e864552043bf5d67fda768235dfc2e22a9893b2da8a4f38157a831308d3a5d9
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
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additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62sgTXDu3FH7tQCrLoOYqo
additional property: OTSTimestamp
  type: PropertyValue
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additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2e864552043bf5d67fda768235dfc2e22a9893b2da8a4f38157a831308d3a5d9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62sgTXDu3FH7tQCrLoOYqo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62sgTXDu3FH7tQCrLoOYqo.
  date published: 2026-06-13T15:41:10Z

Tumba la cana
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0500657

El buen borincano
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600138

Vuelve guajiro
type: MusicRecording
duration: PT5M1S
duration ms: 301000
explicit: false
by artist: Sergio Alvarez
by artist: Mario Manzanares
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600139
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:24:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/1wR4Y1m2aN5yGUEBJHAkNk.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wR4Y1m2aN5yGUEBJHAkNk
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"1wR4Y1m2aN5yGUEBJHAkNk","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/1wR4Y1m2aN5yGUEBJHAkNk.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/1wR4Y1m2aN5yGUEBJHAkNk.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"1wR4Y1m2aN5yGUEBJHAkNk","type":"track"}

El carretero
type: MusicRecording
duration: PT3M45S
duration ms: 225000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600140

Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
type: MusicAlbum
date published: 2005-01-01
track: Son de Camaguey
  type: MusicRecording
  duration: PT2M51S
  duration ms: 171000
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: GBCKG0500658
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-22T09:54:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957145
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957145
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/76uzFZDB8MoMwaT1VgJxOF.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76uzFZDB8MoMwaT1VgJxOF
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T08:56:20Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f","isrc":"GBCKG0500658","name":"Son de Camaguey","registered_at":"2026-06-22T09:54:35Z","spotify_id":"76uzFZDB8MoMwaT1VgJxOF","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f. Chain 2 (Bitcoin): anchored in block 957145 (2026-07-08T08:56:20Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/76uzFZDB8MoMwaT1VgJxOF.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/76uzFZDB8MoMwaT1VgJxOF.
    date published: 2026-07-08T08:56:20Z
    text: {"copyright_id":"0x3b29c715edb12bfa6e7ac838167a028b2fed8c48db50e617a76c084fcad2906f","isrc":"GBCKG0500658","name":"Son de Camaguey","registered_at":"2026-06-22T09:54:35Z","spotify_id":"76uzFZDB8MoMwaT1VgJxOF","type":"track"}
track: El refran se te olvido
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223000
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
track: Asi no papacito
  type: MusicRecording
  duration: PT4M9S
  duration ms: 249000
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: GBCKG0600132
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T03:49:16+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 957118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/957118
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/2SUV3G5dUOiQTKoa9g22ET.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUV3G5dUOiQTKoa9g22ET
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-08T03:20:19Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"2SUV3G5dUOiQTKoa9g22ET","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265. Chain 2 (Bitcoin): anchored in block 957118 (2026-07-08T03:20:19Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2SUV3G5dUOiQTKoa9g22ET.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2SUV3G5dUOiQTKoa9g22ET.
    date published: 2026-07-08T03:20:19Z
    text: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"2SUV3G5dUOiQTKoa9g22ET","type":"track"}
track: Yo soy el punto cubano
  type: MusicRecording
  duration: PT4M23S
  duration ms: 263093
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
track: Los aretes
  type: MusicRecording
  duration: PT2M30S
  duration ms: 150000
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: GBCKG0600134
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-05T10:02:46+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956302
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block/956302
  additional property: OTSRecordURL
    type: PropertyValue
    value: https://artists.proofprofile.net/proofs/track/6GEQM9yoFzdQtALGcILSca.json
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6GEQM9yoFzdQtALGcILSca
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-02T03:30:09Z
  additional property: OTSCanonicalRecord
    type: PropertyValue
    value: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"6GEQM9yoFzdQtALGcILSca","type":"track"}
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f. Chain 2 (Bitcoin): anchored in block 956302 (2026-07-02T03:30:09Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/6GEQM9yoFzdQtALGcILSca.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/6GEQM9yoFzdQtALGcILSca.
    date published: 2026-07-02T03:30:09Z
    text: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"6GEQM9yoFzdQtALGcILSca","type":"track"}
track: Ya pararan
  type: MusicRecording
  duration: PT3M35S
  duration ms: 215000
  explicit: false
  by artist: Mario Manzanares
  by artist: Sergio Alvarez
  by artist: Pablo Carcamo
  by artist: Miguel Castro
  in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
    type: MusicAlbum
    date published: 2005-01-01
  isrc code: GBCKG0500287
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-06-07T09:36:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
  additional property: OTSBitcoinBlockVerifyURL
  additional property: OTSRecordURL
  additional property: OTSVerificationAPI
  additional property: OTSTimestamp
  additional property: OTSCanonicalRecord
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
track: Dame tu Cumbia
track: Flores de pueblo nuevo
track: Madrigal
track: Tumba la cana
track: El buen borincano
track: Vuelve guajiro
track: El carretero

OTSHash
type: PropertyValue

OTSBitcoinBlock
type: PropertyValue
value: 953528

OTSBitcoinBlockVerifyURL
type: PropertyValue
value: https://blockstream.info/api/block/953528

OTSRecordURL
type: PropertyValue
value: https://artists.proofprofile.net/proofs/track/0PeEB0KTtlFkwAgtvZpZ0m.json

OTSVerificationAPI
type: PropertyValue
value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PeEB0KTtlFkwAgtvZpZ0m

OTSTimestamp
type: PropertyValue
value: 2026-06-13T15:41:10Z

OTSCanonicalRecord
type: PropertyValue
value: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"0PeEB0KTtlFkwAgtvZpZ0m","type":"track"}

OTSVerifyInstructions
type: PropertyValue
value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PeEB0KTtlFkwAgtvZpZ0m.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PeEB0KTtlFkwAgtvZpZ0m.
date published: 2026-06-13T15:41:10Z
text: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"0PeEB0KTtlFkwAgtvZpZ0m","type":"track"}

Dame tu Cumbia
type: MusicRecording
duration: PT3M2S
duration ms: 182000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600135
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-08T06:16:57+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957124
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/957124
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/4yncPxzO07B4lWDxDLx8Oh.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yncPxzO07B4lWDxDLx8Oh
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-08T03:53:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f","isrc":"GBCKG0600135","name":"Dame tu Cumbia","registered_at":"2026-06-08T06:16:57Z","spotify_id":"4yncPxzO07B4lWDxDLx8Oh","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f. Chain 2 (Bitcoin): anchored in block 957124 (2026-07-08T03:53:27Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/4yncPxzO07B4lWDxDLx8Oh.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/4yncPxzO07B4lWDxDLx8Oh.
  date published: 2026-07-08T03:53:27Z
  text: {"copyright_id":"0xb0b7b6f98ca75f77d6abe79999316c467cf6f0332c58c66336d7ce3bbfe21e9f","isrc":"GBCKG0600135","name":"Dame tu Cumbia","registered_at":"2026-06-08T06:16:57Z","spotify_id":"4yncPxzO07B4lWDxDLx8Oh","type":"track"}

Flores de pueblo nuevo
type: MusicRecording
duration: PT4M0S
duration ms: 240000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01

Madrigal
type: MusicRecording
duration: PT4M26S
duration ms: 266000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T19:48:35+00:00

Tumba la cana
type: MusicRecording
duration: PT3M16S
duration ms: 196000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01

El buen borincano
type: MusicRecording
duration: PT3M32S
duration ms: 212000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01

Vuelve guajiro
type: MusicRecording
duration: PT5M1S
duration ms: 301000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600139
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:24:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2GMV6rmBO0rR9jY6ZVEOEm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GMV6rmBO0rR9jY6ZVEOEm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"2GMV6rmBO0rR9jY6ZVEOEm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GMV6rmBO0rR9jY6ZVEOEm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GMV6rmBO0rR9jY6ZVEOEm.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"2GMV6rmBO0rR9jY6ZVEOEm","type":"track"}

El carretero
type: MusicRecording
duration: PT3M45S
duration ms: 225000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01

Ni Más Ni Menos, Vol. 1
type: MusicAlbum
date published: 2018-06-20
track: El Gil
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180080
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El Tony
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154040
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El J3
  type: MusicRecording
  duration: PT2M34S
  duration ms: 154066
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: Pista En La Sierra
  type: MusicRecording
  duration: PT2M41S
  duration ms: 161440
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: Me Gusta Poner Al Polvo
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198026
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El Druggy
  type: MusicRecording
  duration: PT2M52S
  duration ms: 172226
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El Merf (El Grande)
  type: MusicRecording
  duration: PT3M43S
  duration ms: 223133
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El Mini-Mi
  type: MusicRecording
  duration: PT2M53S
  duration ms: 173173
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: Chivo Tatemado
  type: MusicRecording
  duration: PT2M33S
  duration ms: 153400
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: La Quetilla
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157240
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: El Mas Poderoso
  type: MusicRecording
  duration: PT3M18S
  duration ms: 198920
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: Eres Mi Droga
  type: MusicRecording
  duration: PT3M16S
  duration ms: 196853
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20
track: Indita Mia
  type: MusicRecording
  duration: PT5M22S
  duration ms: 322093
  explicit: false
  by artist: Sergio Alvarez
  in album: Ni Más Ni Menos, Vol. 1
    type: MusicAlbum
    date published: 2018-06-20

Los aretes
type: MusicRecording
duration: PT2M30S
duration ms: 150000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600134
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-05T10:02:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953513
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2CimHhLjxIQVLfo5T75ABN.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CimHhLjxIQVLfo5T75ABN
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:47:07Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"2CimHhLjxIQVLfo5T75ABN","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f. Chain 2 (Bitcoin): anchored in block 953513 (2026-06-13T12:47:07Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2CimHhLjxIQVLfo5T75ABN.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2CimHhLjxIQVLfo5T75ABN.
  date published: 2026-06-13T12:47:07Z
  text: {"copyright_id":"0xe8fa0f1fb7b49ed3e0451a1dcbfca316a54fe183abf0763ad31aa8a5fba01b8f","isrc":"GBCKG0600134","name":"Los aretes","registered_at":"2026-06-05T10:02:46Z","spotify_id":"2CimHhLjxIQVLfo5T75ABN","type":"track"}

Vuelve guajiro
type: MusicRecording
duration: PT5M1S
duration ms: 301000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600139
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T13:24:21+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953515
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953515
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/2GMV6rmBO0rR9jY6ZVEOEm.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GMV6rmBO0rR9jY6ZVEOEm
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T12:53:06Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"2GMV6rmBO0rR9jY6ZVEOEm","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0. Chain 2 (Bitcoin): anchored in block 953515 (2026-06-13T12:53:06Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/2GMV6rmBO0rR9jY6ZVEOEm.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/2GMV6rmBO0rR9jY6ZVEOEm.
  date published: 2026-06-13T12:53:06Z
  text: {"copyright_id":"0x08b050d2111deea4321ed2848c35a49b2b2d8a7a0627bf4cfde2f08dac1118f0","isrc":"GBCKG0600139","name":"Vuelve guajiro","registered_at":"2026-06-06T13:24:21Z","spotify_id":"2GMV6rmBO0rR9jY6ZVEOEm","type":"track"}

Asi no papacito
type: MusicRecording
duration: PT4M9S
duration ms: 249000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600132
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T03:49:16+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953536
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953536
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/070vRAgWBtWgzDtWex7Unl.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/070vRAgWBtWgzDtWex7Unl
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T17:25:41Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"070vRAgWBtWgzDtWex7Unl","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265. Chain 2 (Bitcoin): anchored in block 953536 (2026-06-13T17:25:41Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/070vRAgWBtWgzDtWex7Unl.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/070vRAgWBtWgzDtWex7Unl.
  date published: 2026-06-13T17:25:41Z
  text: {"copyright_id":"0x050636ba689136313a3b9031d4bf03428c083c52b03da7165fb95e2f6b43b265","isrc":"GBCKG0600132","name":"Asi no papacito","registered_at":"2026-06-07T03:49:16Z","spotify_id":"070vRAgWBtWgzDtWex7Unl","type":"track"}

Madrigal
type: MusicRecording
duration: PT4M26S
duration ms: 266000
explicit: false
by artist: Anonymous
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0600137
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-06T19:48:35+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2e864552043bf5d67fda768235dfc2e22a9893b2da8a4f38157a831308d3a5d9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/62sgTXDu3FH7tQCrLoOYqo.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62sgTXDu3FH7tQCrLoOYqo
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x2e864552043bf5d67fda768235dfc2e22a9893b2da8a4f38157a831308d3a5d9. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/62sgTXDu3FH7tQCrLoOYqo.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/62sgTXDu3FH7tQCrLoOYqo.
  date published: 2026-06-13T15:41:10Z

Ya pararan
type: MusicRecording
duration: PT3M35S
duration ms: 215000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Sergio Alvarez: Cuba, Cuba! - The Most Popular Songs
  type: MusicAlbum
  date published: 2005-01-01
isrc code: GBCKG0500287
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-07T09:36:33+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953528
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block/953528
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/track/0PeEB0KTtlFkwAgtvZpZ0m.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PeEB0KTtlFkwAgtvZpZ0m
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T15:41:10Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"0PeEB0KTtlFkwAgtvZpZ0m","type":"track"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. GET OTSBitcoinBlockVerifyURL → block OTSBitcoinBlock must exist at that height 3. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 4. GET OTSVerificationAPI → pre-computed 6-check result from server 5. 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 0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f. Chain 2 (Bitcoin): anchored in block 953528 (2026-06-13T15:41:10Z), registered by our registry partner. Bridge: the canonical record at https://artists.proofprofile.net/proofs/track/0PeEB0KTtlFkwAgtvZpZ0m.json contains the same CopyrightID — hash it and compare to OTSHash, then confirm the Bitcoin block independently via OTSBitcoinBlockVerifyURL or https://artists.proofprofile.net/api/v1/bot/ots/verify/track/0PeEB0KTtlFkwAgtvZpZ0m.
  date published: 2026-06-13T15:41:10Z
  text: {"copyright_id":"0x6108a6637bf8c53e20c6c641ff3cf184f567ca5e6f4ccc577ee058c88a81fc0f","isrc":"GBCKG0500287","name":"Ya pararan","registered_at":"2026-06-07T09:36:33Z","spotify_id":"0PeEB0KTtlFkwAgtvZpZ0m","type":"track"}

Dame tu Cumbia
type: MusicRecording
duration: PT3M2S
duration ms: 182000
explicit: false
by artist: Mario Manzanares
by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
in album: Tropical Holiday
  type: MusicAlbum
  date published: 2018-07-27

El Gil
type: MusicRecording
duration: PT3M0S
duration ms: 180080
explicit: false
by artist: Sergio Alvarez
in album: Ni Más Ni Menos, Vol. 1
  type: MusicAlbum
  date published: 2018-06-20

El Tony
type: MusicRecording
duration: PT2M34S
duration ms: 154040
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El J3
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Pista En La Sierra
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Me Gusta Poner Al Polvo
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El Druggy
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El Merf (El Grande)
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El Mini-Mi
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Chivo Tatemado
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La Quetilla
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El Mas Poderoso
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Eres Mi Droga
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Indita Mia
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Son de Camaguey
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by artist: Sergio Alvarez
by artist: Pablo Carcamo
by artist: Miguel Castro
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-08T08:56:20Z
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