Unai Karam
type: MusicGroup
popularity: 22
followers: 3857
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5b81ff7ec60f713bc44d3fb5824b0476c5cda7901a8fa285d3be809525725898
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92f0fbc-d83e-4fb9-a07b-e1a554543687.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/c92f0fbc-d83e-4fb9-a07b-e1a554543687.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c92f0fbc-d83e-4fb9-a07b-e1a554543687
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5b81ff7ec60f713bc44d3fb5824b0476c5cda7901a8fa285d3be809525725898","name":"Unai Karam","registered_at":"2026-06-12T09:36:15Z","symbol":"NIM0258008","token_address":"0x1193a0bdfeb35268d39c875496ac8d02342497cf","type":"artist","uuid":"c92f0fbc-d83e-4fb9-a07b-e1a554543687"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x5b81ff7ec60f713bc44d3fb5824b0476c5cda7901a8fa285d3be809525725898. 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/c92f0fbc-d83e-4fb9-a07b-e1a554543687.json and https://artists.proofprofile.net/proofs/artist/c92f0fbc-d83e-4fb9-a07b-e1a554543687.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5b81ff7ec60f713bc44d3fb5824b0476c5cda7901a8fa285d3be809525725898","name":"Unai Karam","registered_at":"2026-06-12T09:36:15Z","symbol":"NIM0258008","token_address":"0x1193a0bdfeb35268d39c875496ac8d02342497cf","type":"artist","uuid":"c92f0fbc-d83e-4fb9-a07b-e1a554543687"}
album: Vente Pa' Ca (Piano Version)
  type: MusicAlbum
  date published: 2016-10-17
album: Vente Pa' Ca (Piano Cover)
  type: MusicAlbum
  date published: 2016-10-17
album: Traicionera (Piano Version)
  type: MusicAlbum
  date published: 2016-11-09
album: Traicionera (Piano Cover)
  type: MusicAlbum
  date published: 2016-11-09
  track: Traicionera - Piano Cover
    type: MusicRecording
    duration: PT3M46S
    duration ms: 226000
    explicit: false
    by artist: Unai Karam
    in album: Traicionera (Piano Cover)
      type: MusicAlbum
      date published: 2016-11-09
    isrc code: GBMJG1613821
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T03:26:19+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xb423fc4e9ca2e0d0a62a6bbf7c2430dada27b60d7590f90131168bae022f2f34
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958487
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958487
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1613821
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T03:43:59Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xb423fc4e9ca2e0d0a62a6bbf7c2430dada27b60d7590f90131168bae022f2f34. Chain 2 (Bitcoin): anchored in block 958487 (2026-07-18T03:43:59Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1613821 — a six-check JSON result.
      date published: 2026-07-18T03:43:59Z
    audio: Traicionera - Piano Cover
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.902
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.355
      additional property: Energy
        type: PropertyValue
        value: 0.129
      additional property: Speechiness
        type: PropertyValue
        value: 0.036
      additional property: Acousticness
        type: PropertyValue
        value: 0.966
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.927
      additional property: Liveness
        type: PropertyValue
        value: 0.113
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.306
      additional property: Loudness (dB)
        type: PropertyValue
        value: -21.323
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Reggaetón Lento (Piano Cover)
  type: MusicAlbum
  date published: 2016-12-23
album: Reggaetón Lento (Bailemos) [Piano Version]
  type: MusicAlbum
  date published: 2016-12-23
album: Despacito (Piano Version)
  type: MusicAlbum
  date published: 2017-01-20
album: Despacito (Piano Cover)
  type: MusicAlbum
  date published: 2017-01-20
album: El Amante (Piano Version)
  type: MusicAlbum
  date published: 2017-02-17
album: El Amante (Piano Cover)
  type: MusicAlbum
  date published: 2017-02-17
album: Lumbra (Piano Version)
  type: MusicAlbum
  date published: 2017-03-31
album: Lumbra (Piano Cover)
  type: MusicAlbum
  date published: 2017-03-31
  track: Lumbra - Piano Cover
    type: MusicRecording
    duration: PT3M21S
    duration ms: 201366
    explicit: false
    by artist: Unai Karam
    in album: Lumbra (Piano Cover)
      type: MusicAlbum
      date published: 2017-03-31
    isrc code: GBMJG1704797
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T11:44:20+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x7ced57de42a5ed5c11f66959018df1503a09c9d2ea4df4cb4310ec77e279277a
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958876
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958876
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1704797
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T12:15:48Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x7ced57de42a5ed5c11f66959018df1503a09c9d2ea4df4cb4310ec77e279277a. Chain 2 (Bitcoin): anchored in block 958876 (2026-07-20T12:15:48Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1704797 — a six-check JSON result.
      date published: 2026-07-20T12:15:48Z
    audio: Lumbra - Piano Cover
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 85.885
      additional property: Musical Key
      additional property: Mode (Major/Minor)
      additional property: Time Signature
      additional property: Danceability
      additional property: Energy
      additional property: Speechiness
      additional property: Acousticness
      additional property: Instrumentalness
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Sirenas (Piano Version)
album: Sigo Extrañándote (Piano Version)
album: Sigo Extrañándote (Piano Cover)
album: Felices los 4 (Piano Cover)
album: Felices los 4 (Piano Version)
album: Me Rehúso (Piano Version)
album: Me Rehúso (Piano Cover)
album: Una Lady Como Tú (Piano Version)
album: Mi Gente (Piano Version)
album: Mi Gente (Piano Cover)
album: Se Preparó (Piano Version)
album: Se Preparó (Piano Cover)
album: Criminal (Piano Version)
album: Soy Yo
album: Bailando (Piano Version)
album: Propuesta Indecente (Piano Version)
album: Piano Covers, Vol. 1
album: Amorfoda (Piano Cover)
album: Amorfoda (Piano Version)
album: Me Niego (Piano Cover)
album: Bella Ciao (Piano Cover)
album: Bella Ciao (Piano Version)
album: Piano Covers, Vol. 2
album: Pienso En Tu Mirá (Piano Cover)
album: Pienso en Tu Mirá (Piano Version)
album: Cuando Te Besé (Piano Version)
album: Un Año (Piano Cover)
album: Un Año (Piano Version)
album: SOS (Piano & Cellos Version)
album: Callaita (Piano Cover)
album: Callaita (Piano Version)
album: Ignorantes (Piano Version)
album: Ignorantes (Piano Cover)
album: Favorito (Piano Cover)
album: Favorito (Piano Version)
album: Porfa
album: Porfa (feat. im agr, moulx)
album: Dákiti (Piano Cover)
album: Dakiti - Piano Version
album: traces
album: last waltz
album: intermezzo no. 1
album: intermezzo no. 2
album: blue shadow
album: belief & faith
album: art in modern times
album: prélude-tableaux no. 2a
album: prélude-tableaux no. 5a

Musical Key
type: PropertyValue
value: 0

Mode (Major/Minor)
type: PropertyValue
value: 1

Time Signature
type: PropertyValue
value: 3

Danceability
type: PropertyValue
value: 0.192

Energy
type: PropertyValue
value: 0.327

Speechiness
type: PropertyValue
value: 0.041

Acousticness
type: PropertyValue
value: 0.95

Instrumentalness
type: PropertyValue
value: 0.806

Liveness
type: PropertyValue
value: 0.08

Valence (Positivity)
type: PropertyValue
value: 0.216

Loudness (dB)
type: PropertyValue
value: -16.703

Key Name
type: PropertyValue
value: C

Mode Name
type: PropertyValue
value: Major

Sirenas (Piano Version)
type: MusicAlbum
date published: 2017-04-07

Sigo Extrañándote (Piano Version)
type: MusicAlbum
date published: 2017-04-28

Sigo Extrañándote (Piano Cover)
type: MusicAlbum
date published: 2017-04-28
track: Sigo Extrañándote - Piano Cover
  type: MusicRecording
  duration: PT3M23S
  duration ms: 203592
  explicit: false
  by artist: Unai Karam
  in album: Sigo Extrañándote (Piano Cover)
    type: MusicAlbum
    date published: 2017-04-28
  isrc code: GBMJG1706755
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T19:45:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x628c4b9d96b65a7c19047b2e6bd792dd80301bb9feeef55c147875460c2a6629
  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/GBMJG1706755
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T20:03:27Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x628c4b9d96b65a7c19047b2e6bd792dd80301bb9feeef55c147875460c2a6629. Chain 2 (Bitcoin): anchored in block 958774 (2026-07-19T20:03:27Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1706755 — a six-check JSON result.
    date published: 2026-07-19T20:03:27Z
  audio: Sigo Extrañándote - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.923
    additional property: Musical Key
      type: PropertyValue
      value: 9
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.223
    additional property: Energy
      type: PropertyValue
      value: 0.165
    additional property: Speechiness
      type: PropertyValue
      value: 0.043
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.902
    additional property: Liveness
      type: PropertyValue
      value: 0.093
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.13
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.721
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Major

Felices los 4 (Piano Cover)
type: MusicAlbum
date published: 2017-05-12
track: Felices los 4 - Piano Cover
  type: MusicRecording
  duration: PT3M51S
  duration ms: 231093
  explicit: false
  by artist: Unai Karam
  in album: Felices los 4 (Piano Cover)
    type: MusicAlbum
    date published: 2017-05-12
  isrc code: GBMJG1707507
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T05:49:44+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x0e2e17348bebd6608bdf3569a2a6b5bfb3d039b4e3e163e404018f533660b0a8
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956634
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956634
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1707507
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-04T10:04:33Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0e2e17348bebd6608bdf3569a2a6b5bfb3d039b4e3e163e404018f533660b0a8. Chain 2 (Bitcoin): anchored in block 956634 (2026-07-04T10:04:33Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1707507 — a six-check JSON result.
    date published: 2026-07-04T10:04:33Z
  audio: Felices los 4 - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 91.452
    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: 0.202
    additional property: Energy
      type: PropertyValue
      value: 0.216
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.986
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.937
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.162
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.955
    additional property: Key Name
      type: PropertyValue
      value: F
    additional property: Mode Name
      type: PropertyValue
      value: Major

Felices los 4 (Piano Version)
type: MusicAlbum
date published: 2017-05-12

Me Rehúso (Piano Version)
type: MusicAlbum
date published: 2017-06-30

Me Rehúso (Piano Cover)
type: MusicAlbum
date published: 2017-06-30
track: Me Rehúso - Piano Cover
  type: MusicRecording
  duration: PT3M33S
  duration ms: 213600
  explicit: false
  by artist: Unai Karam
  in album: Me Rehúso (Piano Cover)
    type: MusicAlbum
    date published: 2017-06-30
  isrc code: GBMJG1710437
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T09:00:19+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xe450280368cc231fa616284fa99c222280f76163dd5436446c03b995d2764bce
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958708
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958708
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1710437
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T09:08:25Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe450280368cc231fa616284fa99c222280f76163dd5436446c03b995d2764bce. Chain 2 (Bitcoin): anchored in block 958708 (2026-07-19T09:08:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1710437 — a six-check JSON result.
    date published: 2026-07-19T09:08:25Z
  audio: Me Rehúso - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.371
    additional property: Musical Key
      type: PropertyValue
      value: 1
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.472
    additional property: Energy
      type: PropertyValue
      value: 0.287
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.447
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.83
    additional property: Liveness
      type: PropertyValue
      value: 0.11
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.441
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.648
    additional property: Key Name
      type: PropertyValue
      value: C#
    additional property: Mode Name
      type: PropertyValue
      value: Major

Una Lady Como Tú (Piano Version)
type: MusicAlbum
date published: 2017-08-11

Mi Gente (Piano Version)
type: MusicAlbum
date published: 2017-09-08

Mi Gente (Piano Cover)
type: MusicAlbum
date published: 2017-09-08

Se Preparó (Piano Version)
type: MusicAlbum
date published: 2017-10-20

Se Preparó (Piano Cover)
type: MusicAlbum
date published: 2017-10-20
track: Se Preparó - Piano Cover
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188863
  explicit: false
  by artist: Unai Karam
  in album: Se Preparó (Piano Cover)
    type: MusicAlbum
    date published: 2017-10-20
  isrc code: GBMJG1717403
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T16:49:29+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xf886c62ea820b5ec718c19d2dcfc73b775f3043cdf11300530acbc2064ece66f
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956826
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956826
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1717403
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T19:27:56Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xf886c62ea820b5ec718c19d2dcfc73b775f3043cdf11300530acbc2064ece66f. Chain 2 (Bitcoin): anchored in block 956826 (2026-07-05T19:27:56Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1717403 — a six-check JSON result.
    date published: 2026-07-05T19:27:56Z
  audio: Se Preparó - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 86.027
    additional property: Musical Key
      type: PropertyValue
      value: 10
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.18
    additional property: Energy
      type: PropertyValue
      value: 0.319
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.909
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.876
    additional property: Liveness
      type: PropertyValue
      value: 0.119
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.33
    additional property: Loudness (dB)
      type: PropertyValue
      value: -18.229
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Criminal (Piano Version)
type: MusicAlbum
date published: 2017-10-27

Soy Yo
type: MusicAlbum
date published: 2017-11-01

Bailando (Piano Version)
type: MusicAlbum
date published: 2017-12-08

Reggaetón Lento (Bailemos) [Piano Version]
type: MusicAlbum
date published: 2017-12-20

Propuesta Indecente (Piano Version)
type: MusicAlbum
date published: 2017-12-22

Piano Covers, Vol. 1
type: MusicAlbum
date published: 2018-01-05
track: 6 AM - Piano Cover
  type: MusicRecording
  duration: PT3M49S
  duration ms: 229592
  explicit: false
  by artist: Unai Karam
  in album: Piano Covers, Vol. 1
    type: MusicAlbum
    date published: 2018-01-05
  isrc code: GBMJG1721167
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-20T14:34:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x064bc1c262e4ba89553e773f272eb893824b8daeb9a81f033cd232e1fb503c11
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958901
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958901
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721167
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-20T15:07:00Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x064bc1c262e4ba89553e773f272eb893824b8daeb9a81f033cd232e1fb503c11. Chain 2 (Bitcoin): anchored in block 958901 (2026-07-20T15:07:00Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721167 — a six-check JSON result.
    date published: 2026-07-20T15:07:00Z
  audio: 6 AM - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 93.983
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.379
    additional property: Energy
      type: PropertyValue
      value: 0.149
    additional property: Speechiness
      type: PropertyValue
      value: 0.04
    additional property: Acousticness
      type: PropertyValue
      value: 0.989
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.933
    additional property: Liveness
      type: PropertyValue
      value: 0.098
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.472
    additional property: Loudness (dB)
      type: PropertyValue
      value: -19.323
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Bailando - Piano Cover
  type: MusicRecording
  duration: PT3M56S
  duration ms: 236500
  explicit: false
  by artist: Unai Karam
  in album: Piano Covers, Vol. 1
    type: MusicAlbum
    date published: 2018-01-05
  isrc code: GBMJG1719433
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-14T21:52:33+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x9092c6edbfb9b92e74f7da76f832b92a97d241c5d20604676e329a6905a42bb4
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958074
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958074
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1719433
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-14T22:45:25Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x9092c6edbfb9b92e74f7da76f832b92a97d241c5d20604676e329a6905a42bb4. Chain 2 (Bitcoin): anchored in block 958074 (2026-07-14T22:45:25Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1719433 — a six-check JSON result.
    date published: 2026-07-14T22:45:25Z
  audio: Bailando - Piano Cover
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.8
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.201
    additional property: Energy
      type: PropertyValue
      value: 0.28
    additional property: Speechiness
      type: PropertyValue
      value: 0.047
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.952
    additional property: Liveness
      type: PropertyValue
      value: 0.123
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.051
    additional property: Loudness (dB)
      type: PropertyValue
      value: -17.188
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Major
track: Propuesta Indecente - Piano Cover
  type: MusicRecording
  duration: PT4M0S
  duration ms: 240000
  explicit: false
  by artist: Unai Karam
  in album: Piano Covers, Vol. 1
    type: MusicAlbum
    date published: 2018-01-05
  isrc code: GBMJG1717000
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T06:41:31+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6369c6713b82c8d6a81b23bf8efa1c784bee33caff1aa7b4236f1c94be4b9957
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958256
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958256
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1717000
  additional property: OTSTimestamp
  additional property: OTSVerifyInstructions
  subject of: OpenTimestamps Proof of Existence
  audio: Propuesta Indecente - Piano Cover
track: El Perdón - Piano Cover
track: La Bicicleta - Piano Cover
track: Hasta el Amanecer - Piano Cover
track: Duele el Corazón - Piano Cover

OTSTimestamp
type: PropertyValue
value: 2026-07-16T07:22:18Z

OTSVerifyInstructions
type: PropertyValue
value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch

OpenTimestamps Proof of Existence
type: DigitalDocument
encoding format: application/vnd.opentimestamps.ots
description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x6369c6713b82c8d6a81b23bf8efa1c784bee33caff1aa7b4236f1c94be4b9957. Chain 2 (Bitcoin): anchored in block 958256 (2026-07-16T07:22:18Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1717000 — a six-check JSON result.
date published: 2026-07-16T07:22:18Z

Propuesta Indecente - Piano Cover
type: AudioObject
additional property: Tempo (BPM)
  type: PropertyValue
  value: 124.672
additional property: Musical Key
  type: PropertyValue
  value: 11
additional property: Mode (Major/Minor)
  type: PropertyValue
  value: 0
additional property: Time Signature
  type: PropertyValue
  value: 4
additional property: Danceability
  type: PropertyValue
  value: 0.355
additional property: Energy
  type: PropertyValue
  value: 0.099
additional property: Speechiness
  type: PropertyValue
  value: 0.054
additional property: Acousticness
  type: PropertyValue
  value: 0.987
additional property: Instrumentalness
  type: PropertyValue
  value: 0.938
additional property: Liveness
  type: PropertyValue
  value: 0.161
additional property: Valence (Positivity)
  type: PropertyValue
  value: 0.278
additional property: Loudness (dB)
  type: PropertyValue
  value: -22.789
additional property: Key Name
  type: PropertyValue
  value: B
additional property: Mode Name
  type: PropertyValue
  value: Minor

El Perdón - Piano Cover
type: MusicRecording
duration: PT3M26S
duration ms: 206847
explicit: false
by artist: Unai Karam
in album: Piano Covers, Vol. 1
  type: MusicAlbum
  date published: 2018-01-05
isrc code: GBMJG1721171
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T14:58:29+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8a866595343e9f208a1a8bf6579f19b217cdb43397c30e866ef40c834f4e8d45
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958300
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958300
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721171
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-16T16:14:30Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x8a866595343e9f208a1a8bf6579f19b217cdb43397c30e866ef40c834f4e8d45. Chain 2 (Bitcoin): anchored in block 958300 (2026-07-16T16:14:30Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721171 — a six-check JSON result.
  date published: 2026-07-16T16:14:30Z
audio: El Perdón - Piano Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 60.654
  additional property: Musical Key
    type: PropertyValue
    value: 8
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.281
  additional property: Energy
    type: PropertyValue
    value: 0.076
  additional property: Speechiness
    type: PropertyValue
    value: 0.098
  additional property: Acousticness
    type: PropertyValue
    value: 0.993
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.915
  additional property: Liveness
    type: PropertyValue
    value: 0.07
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.25
  additional property: Loudness (dB)
    type: PropertyValue
    value: -20.182
  additional property: Key Name
    type: PropertyValue
    value: Ab
  additional property: Mode Name
    type: PropertyValue
    value: Major

La Bicicleta - Piano Cover
type: MusicRecording
duration: PT3M46S
duration ms: 226000
explicit: false
by artist: Unai Karam
in album: Piano Covers, Vol. 1
  type: MusicAlbum
  date published: 2018-01-05
isrc code: GBMJG1721172
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-12T16:18:56+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x914976111fdb391a108a7850671f7ee4fb2040fda4e3b3f0088b9222b525f994
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 957730
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/957730
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721172
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-12T16:41:26Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x914976111fdb391a108a7850671f7ee4fb2040fda4e3b3f0088b9222b525f994. Chain 2 (Bitcoin): anchored in block 957730 (2026-07-12T16:41:26Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721172 — a six-check JSON result.
  date published: 2026-07-12T16:41:26Z
audio: La Bicicleta - Piano Cover
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 93.141
  additional property: Musical Key
    type: PropertyValue
    value: 9
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.336
  additional property: Energy
    type: PropertyValue
    value: 0.195
  additional property: Speechiness
    type: PropertyValue
    value: 0.041
  additional property: Acousticness
    type: PropertyValue
    value: 0.992
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.911
  additional property: Liveness
    type: PropertyValue
    value: 0.1
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.184
  additional property: Loudness (dB)
    type: PropertyValue
    value: -19.454
  additional property: Key Name
    type: PropertyValue
    value: A
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Hasta el Amanecer - Piano Cover
type: MusicRecording
duration: PT3M16S
duration ms: 196293
explicit: false
by artist: Unai Karam
in album: Piano Covers, Vol. 1
  type: MusicAlbum
  date published: 2018-01-05
isrc code: GBMJG1721173
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-22T16:05:46+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0edaaee28dfb8015414df3014c166954094ca6a7d2e2c7c8e03881f10559c1d1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 959152
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/959152
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMJG1721173
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-22T16:23:52Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  encoding format: application/vnd.opentimestamps.ots
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Duele el Corazón - Piano Cover
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-05T19:27:56Z
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Piano Covers, Vol. 1
type: MusicAlbum
date published: 2018-01-05

Amorfoda (Piano Cover)
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date published: 2018-03-09

Amorfoda (Piano Version)
type: MusicAlbum
date published: 2018-03-09

Me Niego (Piano Cover)
type: MusicAlbum
date published: 2018-04-13

Bella Ciao (Piano Cover)
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date published: 2018-05-22

Bella Ciao (Piano Version)
type: MusicAlbum
date published: 2018-05-22

Piano Covers, Vol. 2
type: MusicAlbum
date published: 2018-09-07

Pienso En Tu Mirá (Piano Cover)
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date published: 2018-09-28

Pienso en Tu Mirá (Piano Version)
type: MusicAlbum
date published: 2018-09-28

Cuando Te Besé (Piano Version)
type: MusicAlbum
date published: 2018-11-30

Un Año (Piano Cover)
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date published: 2019-03-01
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-03T08:56:35Z
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Un Año (Piano Version)
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SOS (Piano & Cellos Version)
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Callaita (Piano Cover)
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Callaita (Piano Version)
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date published: 2019-08-15

Ignorantes (Piano Version)
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Ignorantes (Piano Cover)
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-05T01:12:41Z
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Favorito (Piano Cover)
type: MusicAlbum
date published: 2020-05-20

Favorito (Piano Version)
type: MusicAlbum
date published: 2020-05-20

Porfa
type: MusicAlbum
date published: 2020-05-28

Porfa (feat. im agr, moulx)
type: MusicAlbum
date published: 2020-05-28

Dákiti (Piano Cover)
type: MusicAlbum
date published: 2020-12-18

Dakiti - Piano Version
type: MusicAlbum
date published: 2020-12-18

traces
type: MusicAlbum
date published: 2022-02-11

last waltz
type: MusicAlbum
date published: 2022-04-22

intermezzo no. 1
type: MusicAlbum
date published: 2022-07-08

intermezzo no. 2
type: MusicAlbum
date published: 2022-08-05

blue shadow
type: MusicAlbum
date published: 2022-09-23

belief & faith
type: MusicAlbum
date published: 2023-02-03

art in modern times
type: MusicAlbum
date published: 2023-02-24

prélude-tableaux no. 2a
type: MusicAlbum
date published: 2023-09-22

prélude-tableaux no. 5a
type: MusicAlbum
date published: 2023-10-20