Ef Coleman
type: MusicGroup
genre: latin hip hop
genre: mexican hip hop
popularity: 19
followers: 6019
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xab1c01fc64fde5482174c6c9eb16c09b0fa85cb5e65bbf1b7baf3a653f80bdc8
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953730
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953730
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/94a7e1f6-872f-46ad-8584-ba3602bdf056.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/94a7e1f6-872f-46ad-8584-ba3602bdf056.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/94a7e1f6-872f-46ad-8584-ba3602bdf056
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T02:47:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xab1c01fc64fde5482174c6c9eb16c09b0fa85cb5e65bbf1b7baf3a653f80bdc8","name":"Ef Coleman","registered_at":"2026-06-14T20:08:30Z","symbol":"NIM0562725","token_address":"0x8b882db7979aa079a34a3129e61fdfe40755f95b","type":"artist","uuid":"94a7e1f6-872f-46ad-8584-ba3602bdf056"}
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 0xab1c01fc64fde5482174c6c9eb16c09b0fa85cb5e65bbf1b7baf3a653f80bdc8. Chain 2 (Bitcoin): anchored in block 953730 (2026-06-15T02:47:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/94a7e1f6-872f-46ad-8584-ba3602bdf056.json and https://artists.proofprofile.net/proofs/artist/94a7e1f6-872f-46ad-8584-ba3602bdf056.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T02:47:28Z
  text: {"copyright_id":"0xab1c01fc64fde5482174c6c9eb16c09b0fa85cb5e65bbf1b7baf3a653f80bdc8","name":"Ef Coleman","registered_at":"2026-06-14T20:08:30Z","symbol":"NIM0562725","token_address":"0x8b882db7979aa079a34a3129e61fdfe40755f95b","type":"artist","uuid":"94a7e1f6-872f-46ad-8584-ba3602bdf056"}
album: Daily Rules
  type: MusicAlbum
  date published: 2013-10-01
  track: Daily Rules
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161880
    explicit: true
    by artist: Ef Coleman
    in album: Daily Rules
      type: MusicAlbum
      date published: 2013-10-01
    genre: latin hip hop
    genre: mexican hip hop
    isrc code: QZES72070152
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T03:10:22+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeecaec9c7745038c54f87c04c5b3fe89f53982ad43370c9e7d4382cd2a2ff60a
    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/QZES72070152
    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 0xeecaec9c7745038c54f87c04c5b3fe89f53982ad43370c9e7d4382cd2a2ff60a. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72070152.
      date published: 2026-07-04T10:04:33Z
    audio: Daily Rules
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 82.497
      additional property: Musical Key
        type: PropertyValue
        value: 7
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.66
      additional property: Energy
        type: PropertyValue
        value: 0.698
      additional property: Speechiness
        type: PropertyValue
        value: 0.329
      additional property: Acousticness
        type: PropertyValue
        value: 0.579
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.08
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.685
      additional property: Loudness (dB)
        type: PropertyValue
        value: -4.161
      additional property: Key Name
        type: PropertyValue
        value: G
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: Rollin Stone
  type: MusicAlbum
  date published: 2016-07-25
  track: Rollin Stone
    type: MusicRecording
    duration: PT2M27S
    duration ms: 147983
    explicit: true
    by artist: Ef Coleman
    in album: Rollin Stone
      type: MusicAlbum
      date published: 2016-07-25
    genre: latin hip hop
    genre: mexican hip hop
    isrc code: UST8K1745233
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-16T03:43:52+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeca69d71b3976802b5033c77b055660fce3a76a2a43f56df5370063fad091c98
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958238
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958238
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UST8K1745233
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-16T04:30:31Z
    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 0xeca69d71b3976802b5033c77b055660fce3a76a2a43f56df5370063fad091c98. Chain 2 (Bitcoin): anchored in block 958238 (2026-07-16T04:30:31Z), 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/UST8K1745233.
      date published: 2026-07-16T04:30:31Z
    audio: Rollin Stone
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 86.012
      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: 0.654
      additional property: Energy
        type: PropertyValue
        value: 0.757
      additional property: Speechiness
        type: PropertyValue
        value: 0.092
      additional property: Acousticness
        type: PropertyValue
        value: 0.449
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Desierto Purpura
album: No Mas Trucos
album: Jugo y Ginebra
album: Desierto Purpura (6ixxx Remix)
album: Capo
album: Crudo
album: Exitos, Vol. 1
album: Día de Entrenamiento
track: -1 Problem

Liveness
type: PropertyValue
value: 0.158

Valence (Positivity)
type: PropertyValue
value: 0.412

Loudness (dB)
type: PropertyValue
value: -5.572

Key Name
type: PropertyValue
value: A

Mode Name
type: PropertyValue
value: Minor

Desierto Purpura
type: MusicAlbum
date published: 2017-04-14

No Mas Trucos
type: MusicAlbum
date published: 2017-07-01
track: No Mas Trucos
  type: MusicRecording
  duration: PT3M13S
  duration ms: 193103
  explicit: true
  by artist: Ef Coleman
  in album: No Mas Trucos
    type: MusicAlbum
    date published: 2017-07-01
  genre: latin hip hop
  genre: mexican hip hop
  isrc code: UST8K1725393
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-04T07:51:04+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x34eed4051fd6274e3e269a06e2643fbf6444c7aa9763fabdacef22cf3801f05d
  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/UST8K1725393
  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 0x34eed4051fd6274e3e269a06e2643fbf6444c7aa9763fabdacef22cf3801f05d. 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 via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/UST8K1725393.
    date published: 2026-07-04T10:04:33Z
  audio: No Mas Trucos
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 174.013
    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: 0.721
    additional property: Energy
      type: PropertyValue
      value: 0.704
    additional property: Speechiness
      type: PropertyValue
      value: 0.421
    additional property: Acousticness
      type: PropertyValue
      value: 0.252
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.096
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.851
    additional property: Loudness (dB)
      type: PropertyValue
      value: -4.824
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Jugo y Ginebra
type: MusicAlbum
date published: 2017-08-26
track: Jugo y Ginebra
  type: MusicRecording
  duration: PT3M54S
  duration ms: 234741
  explicit: true
  by artist: Ef Coleman
  in album: Jugo y Ginebra
    type: MusicAlbum
    date published: 2017-08-26
  genre: latin hip hop
  genre: mexican hip hop
  isrc code: QZ8LD1788012
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T21:05:22+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xb634691ea7ca4c1b2420de5c3081cdf67417decf29a2a0b6485e8f7e74a9a390
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958202
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958202
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ8LD1788012
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T21:23:21Z
  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 0xb634691ea7ca4c1b2420de5c3081cdf67417decf29a2a0b6485e8f7e74a9a390. Chain 2 (Bitcoin): anchored in block 958202 (2026-07-15T21:23:21Z), 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/QZ8LD1788012.
    date published: 2026-07-15T21:23:21Z
  audio: Jugo y Ginebra
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 89.67
    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: 0.576
    additional property: Energy
      type: PropertyValue
      value: 0.778
    additional property: Speechiness
      type: PropertyValue
      value: 0.417
    additional property: Acousticness
      type: PropertyValue
      value: 0.303
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.094
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.509
    additional property: Loudness (dB)
      type: PropertyValue
      value: -8.992
    additional property: Key Name
      type: PropertyValue
      value: A
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Desierto Purpura (6ixxx Remix)
type: MusicAlbum
date published: 2017-11-02

Capo
type: MusicAlbum
date published: 2018-03-30

Crudo
type: MusicAlbum
date published: 2018-12-25
track: Crudo
  type: MusicRecording
  duration: PT3M0S
  duration ms: 180233
  explicit: true
  by artist: Ef Coleman
  in album: Crudo
    type: MusicAlbum
    date published: 2018-12-25
  genre: latin hip hop
  genre: mexican hip hop
  isrc code: QZ4JJ1820032
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T11:53:56+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xd0afbc8c54ee34b86bd100700ab68c98d5be4a88347bffd65727cf280c636b7e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956822
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956822
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1820032
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T18:48:28Z
  additional property: OTSVerifyInstructions
    type: PropertyValue
    value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xd0afbc8c54ee34b86bd100700ab68c98d5be4a88347bffd65727cf280c636b7e. Chain 2 (Bitcoin): anchored in block 956822 (2026-07-05T18:48:28Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZ4JJ1820032.
    date published: 2026-07-05T18:48:28Z
  audio: Crudo
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 170.024
    additional property: Musical Key
      type: PropertyValue
      value: 7
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.688
    additional property: Energy
      type: PropertyValue
      value: 0.493
    additional property: Speechiness
      type: PropertyValue
      value: 0.576
    additional property: Acousticness
      type: PropertyValue
      value: 0.16
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.095
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.366
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.704
    additional property: Key Name
      type: PropertyValue
      value: G
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Exitos, Vol. 1
type: MusicAlbum
date published: 2019-05-17
track: Escala Richter
  type: MusicRecording
  duration: PT3M8S
  duration ms: 188212
  explicit: true
  by artist: Ef Coleman
  in album: Exitos, Vol. 1
    type: MusicAlbum
    date published: 2019-05-17
  genre: latin hip hop
  genre: mexican hip hop
  isrc code: QZES72089812
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-19T04:01:02+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x7be8424619e5af510876299816ddba1646d44585495c18fb7a8ec6886046ed29
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958656
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958656
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZES72089812
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-19T04:04:08Z
  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
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  audio: Escala Richter
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Día de Entrenamiento
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date published: 2020-05-08

-1 Problem
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by artist: Montebel
by artist: Ef Coleman
by artist: Vi Lohe
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  date published: 2019-10-22
genre: latin-hip-hop
genre: mexican-hip-hop
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