Estudio K L
type: MusicGroup
popularity: 18
followers: 1398
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x92c009247e2527239f9e4f4e5ddd84ada186722257e308d0ae4844d922c70678
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953759
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953759
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T08:04:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x92c009247e2527239f9e4f4e5ddd84ada186722257e308d0ae4844d922c70678","name":"Estudio K L","registered_at":"2026-06-14T23:46:07Z","symbol":"NIM0614656","token_address":"0x72404337f9f1d926c247aa8cc0312c880f879b5c","type":"artist","uuid":"b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72"}
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Compute SHA-256 of OTSCanonicalRecord value → must equal OTSHash 2. Open OTSProofURL → extract Bitcoin block number → must equal OTSBitcoinBlock 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Read CopyrightID inside OTSCanonicalRecord → must equal the CopyrightID above 5. GET OTSVerificationAPI → pre-computed 6-check result from server 6. If all match: this entity was registered on CopyrightChains at OTSTimestamp, independently verifiable on Bitcoin
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x92c009247e2527239f9e4f4e5ddd84ada186722257e308d0ae4844d922c70678. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72.json and https://artists.proofprofile.net/proofs/artist/b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x92c009247e2527239f9e4f4e5ddd84ada186722257e308d0ae4844d922c70678","name":"Estudio K L","registered_at":"2026-06-14T23:46:07Z","symbol":"NIM0614656","token_address":"0x72404337f9f1d926c247aa8cc0312c880f879b5c","type":"artist","uuid":"b6ac1d1c-bd62-4939-9f66-9aa9ae8bba72"}
album: Pistas Con Grandes Exitos Al Estilo De...
  type: MusicAlbum
  date published: 2011-08-30
album: Pistas Con Exitos De...
  type: MusicAlbum
  date published: 2011-08-30
  track: Pitbull: I Know You Want Me
    type: MusicRecording
    duration: PT4M16S
    duration ms: 256320
    explicit: false
    by artist: Estudio K L
    in album: Pistas Con Exitos De...
      type: MusicAlbum
      date published: 2011-08-30
    isrc code: TCABA1130196
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-17T01:46:32+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe3ddb498e0965dc443e420ec16b3f6e8ad562618c3de72035fa93216d93cdb01
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958349
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958349
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130196
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-17T04:47:07Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe3ddb498e0965dc443e420ec16b3f6e8ad562618c3de72035fa93216d93cdb01. Chain 2 (Bitcoin): anchored in block 958349 (2026-07-17T04:47:07Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130196.
      date published: 2026-07-17T04:47:07Z
    audio: Pitbull: I Know You Want Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 127.026
      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: 0.89
      additional property: Energy
        type: PropertyValue
        value: 0.639
      additional property: Speechiness
        type: PropertyValue
        value: 0.117
      additional property: Acousticness
        type: PropertyValue
        value: 0.004
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.883
      additional property: Liveness
        type: PropertyValue
        value: 0.061
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.538
      additional property: Loudness (dB)
        type: PropertyValue
        value: -6.396
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Major
  track: Prince Royce: Stand By Me
    type: MusicRecording
    duration: PT3M36S
    duration ms: 216853
    explicit: false
    by artist: Estudio K L
    in album: Pistas Con Exitos De...
      type: MusicAlbum
      date published: 2011-08-30
    isrc code: TCABA1130191
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T04:21:17+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xc48a6f25c82231c5d1eb80e5d59aeca00f05d858252c82cfcf093387aedc7b40
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958544
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958544
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130191
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-18T12:14:37Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xc48a6f25c82231c5d1eb80e5d59aeca00f05d858252c82cfcf093387aedc7b40. Chain 2 (Bitcoin): anchored in block 958544 (2026-07-18T12:14:37Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130191.
      date published: 2026-07-18T12:14:37Z
    audio: Prince Royce: Stand By Me
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 128.036
      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: 0.731
      additional property: Energy
        type: PropertyValue
        value: 0.512
      additional property: Speechiness
        type: PropertyValue
        value: 0.033
      additional property: Acousticness
        type: PropertyValue
        value: 0.019
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.336
      additional property: Liveness
        type: PropertyValue
        value: 0.099
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.892
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
  track: Juan Luis Guerra: Bachata En Fukuoka
  track: Tito El Bambino: Mi Cama Huele a Ti
  track: Shakira: Waka Waka (Esto Es Africa)
album: Super Exitos De Selena (Pistas)
album: Super Exitos De Jenni Rivera (Pistas)
album: Grandes Exitos Latinos Vol. 1 (Pistas)
album: Los Exitos Del 2014 (Pistas)
album: Exitos Del Momento (Pistas)
album: Exitos Para Cantar
album: Exitos Latinos 2018 (Pistas)
album: Canta los Exitos de Jose Jose (Pistas)

Loudness (dB)
type: PropertyValue
value: -11.917

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Major

Juan Luis Guerra: Bachata En Fukuoka
type: MusicRecording
duration: PT3M13S
duration ms: 193813
explicit: false
by artist: Estudio K L
in album: Pistas Con Exitos De...
  type: MusicAlbum
  date published: 2011-08-30
isrc code: TCABA1130198
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-18T12:50:23+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x907960aadd9ec2e173fc00a674653078582772486612e0edbdb35fcd0cf433ce
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958601
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958601
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130198
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-18T19:27:02Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x907960aadd9ec2e173fc00a674653078582772486612e0edbdb35fcd0cf433ce. Chain 2 (Bitcoin): anchored in block 958601 (2026-07-18T19:27:02Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130198.
  date published: 2026-07-18T19:27:02Z
audio: Juan Luis Guerra: Bachata En Fukuoka
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 132.968
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 0
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.821
  additional property: Energy
    type: PropertyValue
    value: 0.569
  additional property: Speechiness
    type: PropertyValue
    value: 0.03
  additional property: Acousticness
    type: PropertyValue
    value: 0.563
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.099
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.852
  additional property: Loudness (dB)
    type: PropertyValue
    value: -10.636
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Tito El Bambino: Mi Cama Huele a Ti
type: MusicRecording
duration: PT3M57S
duration ms: 237906
explicit: false
by artist: Estudio K L
in album: Pistas Con Exitos De...
  type: MusicAlbum
  date published: 2011-08-30
isrc code: TCABA1130202
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-05T19:14:11+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x622274bcf00348a8f97f1b78e2118e4e0c26ff0a85ecb5884e890994e5b167f9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 956841
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/956841
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130202
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-05T22:14:35Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x622274bcf00348a8f97f1b78e2118e4e0c26ff0a85ecb5884e890994e5b167f9. Chain 2 (Bitcoin): anchored in block 956841 (2026-07-05T22:14:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130202.
  date published: 2026-07-05T22:14:35Z
audio: Tito El Bambino: Mi Cama Huele a Ti
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 95.002
  additional property: Musical Key
    type: PropertyValue
    value: 0
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.725
  additional property: Energy
    type: PropertyValue
    value: 0.773
  additional property: Speechiness
    type: PropertyValue
    value: 0.047
  additional property: Acousticness
    type: PropertyValue
    value: 0.036
  additional property: Instrumentalness
    type: PropertyValue
    value: 0.589
  additional property: Liveness
    type: PropertyValue
    value: 0.224
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.688
  additional property: Loudness (dB)
    type: PropertyValue
    value: -9.683
  additional property: Key Name
    type: PropertyValue
    value: C
  additional property: Mode Name
    type: PropertyValue
    value: Major

Shakira: Waka Waka (Esto Es Africa)
type: MusicRecording
duration: PT3M31S
duration ms: 211986
explicit: false
by artist: Estudio K L
in album: Pistas Con Exitos De...
  type: MusicAlbum
  date published: 2011-08-30
isrc code: TCABA1130205
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-07-16T17:27:26+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x93f3f1550dea42bb4405a681335ebd1818a62818c3c506f4fc2b90f55661be80
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 958319
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/958319
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130205
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-07-17T03:00:50Z
additional property: OTSVerifyInstructions
  type: PropertyValue
  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93f3f1550dea42bb4405a681335ebd1818a62818c3c506f4fc2b90f55661be80. Chain 2 (Bitcoin): anchored in block 958319 (2026-07-17T03:00:50Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCABA1130205.
  date published: 2026-07-17T03:00:50Z
audio: Shakira: Waka Waka (Esto Es Africa)
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 126.959
  additional property: Musical Key
    type: PropertyValue
    value: 2
  additional property: Mode (Major/Minor)
    type: PropertyValue
    value: 1
  additional property: Time Signature
    type: PropertyValue
    value: 4
  additional property: Danceability
    type: PropertyValue
    value: 0.721
  additional property: Energy
    type: PropertyValue
    value: 0.719
  additional property: Speechiness
    type: PropertyValue
    value: 0.082
  additional property: Acousticness
    type: PropertyValue
    value: 0.088
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.301
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.801
  additional property: Loudness (dB)
    type: PropertyValue
    value: -11.863
  additional property: Key Name
    type: PropertyValue
    value: D
  additional property: Mode Name
    type: PropertyValue
    value: Major

Super Exitos De Selena (Pistas)
type: MusicAlbum
date published: 2013-03-20

Super Exitos De Jenni Rivera (Pistas)
type: MusicAlbum
date published: 2013-03-21

Grandes Exitos Latinos Vol. 1 (Pistas)
type: MusicAlbum
date published: 2013-11-01

Los Exitos Del 2014 (Pistas)
type: MusicAlbum
date published: 2014-11-24

Exitos Del Momento (Pistas)
type: MusicAlbum
date published: 2015-02-03

Exitos Para Cantar
type: MusicAlbum
date published: 2017-07-11
track: Despacito (English Version)
  type: MusicRecording
  duration: PT3M57S
  duration ms: 237424
  explicit: false
  by artist: Estudio K L
  in album: Exitos Para Cantar
    type: MusicAlbum
    date published: 2017-07-11
  isrc code: TCADE1709477
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-03T02:14:18+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xa09c3a1c2026bc1e9274ffb8e9d378c3aaa7dc97a04e099208980339f5bb4884
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956474
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956474
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1709477
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-03T08:56:35Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa09c3a1c2026bc1e9274ffb8e9d378c3aaa7dc97a04e099208980339f5bb4884. Chain 2 (Bitcoin): anchored in block 956474 (2026-07-03T08:56:35Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/TCADE1709477.
    date published: 2026-07-03T08:56:35Z
  audio: Despacito (English Version)
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 178.018
    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: 0.685
    additional property: Energy
      type: PropertyValue
      value: 0.482
    additional property: Speechiness
      type: PropertyValue
      value: 0.169
    additional property: Acousticness
      type: PropertyValue
      value: 0.038
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Exitos Latinos 2018 (Pistas)
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date published: 2018-12-20
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Canta los Exitos de Jose Jose (Pistas)
type: MusicAlbum
date published: 2019-09-30