M A R K
type: MusicGroup
popularity: 13
followers: 6
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd85dd953d66d1bdaf408ed7a87774c33f6f0d096ae1d8596b7c989952317f0eb
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ff30562-09cc-4059-9c17-9896f5ca4a6f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9ff30562-09cc-4059-9c17-9896f5ca4a6f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9ff30562-09cc-4059-9c17-9896f5ca4a6f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd85dd953d66d1bdaf408ed7a87774c33f6f0d096ae1d8596b7c989952317f0eb","name":"M A R K","registered_at":"2026-06-14T21:22:27Z","symbol":"NIM0580373","token_address":"0xb67546659f1d56ad398a4ffff8acbe91e34ec83e","type":"artist","uuid":"9ff30562-09cc-4059-9c17-9896f5ca4a6f"}
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 0xd85dd953d66d1bdaf408ed7a87774c33f6f0d096ae1d8596b7c989952317f0eb. Chain 2 (Bitcoin): anchored in block 953741 (2026-06-15T04:44:49Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9ff30562-09cc-4059-9c17-9896f5ca4a6f.json and https://artists.proofprofile.net/proofs/artist/9ff30562-09cc-4059-9c17-9896f5ca4a6f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:44:49Z
  text: {"copyright_id":"0xd85dd953d66d1bdaf408ed7a87774c33f6f0d096ae1d8596b7c989952317f0eb","name":"M A R K","registered_at":"2026-06-14T21:22:27Z","symbol":"NIM0580373","token_address":"0xb67546659f1d56ad398a4ffff8acbe91e34ec83e","type":"artist","uuid":"9ff30562-09cc-4059-9c17-9896f5ca4a6f"}
album: Pm
  type: MusicAlbum
  date published: 2024-09-01
album: Bye
  type: MusicAlbum
  date published: 2024-09-01
  track: Bye
    type: MusicRecording
    duration: PT1M49S
    duration ms: 109259
    explicit: false
    by artist: M A R K
    in album: Bye
      type: MusicAlbum
      date published: 2024-09-01
    isrc code: ESA012431368
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-18T22:43:55+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xe8f7d617b91e95e45f36bd74a25e96c7ae796048f6c051eae229ccce95d47682
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958690
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958690
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012431368
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T07:14:39Z
    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 0xe8f7d617b91e95e45f36bd74a25e96c7ae796048f6c051eae229ccce95d47682. Chain 2 (Bitcoin): anchored in block 958690 (2026-07-19T07:14:39Z), 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/ESA012431368.
      date published: 2026-07-19T07:14:39Z
    audio: Bye
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 95.395
      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: 0.766
      additional property: Energy
        type: PropertyValue
        value: 0.464
      additional property: Speechiness
        type: PropertyValue
        value: 0.251
      additional property: Acousticness
        type: PropertyValue
        value: 0.62
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.533
      additional property: Liveness
        type: PropertyValue
        value: 0.107
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.384
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.201
      additional property: Key Name
        type: PropertyValue
        value: Bb
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: De Ti
  type: MusicAlbum
  date published: 2024-09-01
  track: De Ti
    type: MusicRecording
    duration: PT1M26S
    duration ms: 86111
    explicit: false
    by artist: M A R K
    in album: De Ti
      type: MusicAlbum
      date published: 2024-09-01
    isrc code: ESA012431371
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-15T00:03:25+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xab600a97a02aeff9a02de11954b149ba9b7971ebd32b3a730547e96141a42202
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958087
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958087
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012431371
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-15T02:56:49Z
    additional property: OTSVerifyInstructions
      type: PropertyValue
      value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 3. GET OTSBitcoinBlockVerifyURL → returns the Bitcoin block hash at height OTSBitcoinBlock; GET https://blockstream.info/api/block/{that hash} → its timestamp must match OTSTimestamp 4. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
    subject of: OpenTimestamps Proof of Existence
      type: DigitalDocument
      encoding format: application/vnd.opentimestamps.ots
      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xab600a97a02aeff9a02de11954b149ba9b7971ebd32b3a730547e96141a42202. Chain 2 (Bitcoin): anchored in block 958087 (2026-07-15T02:56:49Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012431371.
      date published: 2026-07-15T02:56:49Z
    audio: De Ti
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 129.029
      additional property: Musical Key
        type: PropertyValue
        value: 10
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 5
      additional property: Danceability
        type: PropertyValue
        value: 0.55
      additional property: Energy
        type: PropertyValue
        value: 0.167
      additional property: Speechiness
        type: PropertyValue
        value: 0.365
      additional property: Acousticness
        type: PropertyValue
        value: 0.749
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.366
      additional property: Liveness
        type: PropertyValue
        value: 0.108
      additional property: Valence (Positivity)
      additional property: Loudness (dB)
      additional property: Key Name
      additional property: Mode Name
album: Contigo
album: Celos
album: En Calor
album: Sol
album: Proyecto

Valence (Positivity)
type: PropertyValue
value: 0.07

Loudness (dB)
type: PropertyValue
value: -21.044

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

Contigo
type: MusicAlbum
date published: 2024-09-01

Celos
type: MusicAlbum
date published: 2024-09-01

En Calor
type: MusicAlbum
date published: 2024-09-01
track: En Calor
  type: MusicRecording
  duration: PT1M31S
  duration ms: 91250
  explicit: false
  by artist: M A R K
  in album: En Calor
    type: MusicAlbum
    date published: 2024-09-01
  isrc code: ESA012431372
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-16T02:45:35+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0xc2b959b394c7e4fffb14f025832c7d188d0b138b20ae46a8dec7773eb89697c5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958234
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958234
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/ESA012431372
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-16T05:46:39Z
  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 0xc2b959b394c7e4fffb14f025832c7d188d0b138b20ae46a8dec7773eb89697c5. Chain 2 (Bitcoin): anchored in block 958234 (2026-07-16T05:46:39Z), 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/ESA012431372.
    date published: 2026-07-16T05:46:39Z
  audio: En Calor
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 113.437
    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: 0.776
    additional property: Energy
      type: PropertyValue
      value: 0.237
    additional property: Speechiness
      type: PropertyValue
      value: 0.351
    additional property: Acousticness
      type: PropertyValue
      value: 0.236
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.014
    additional property: Liveness
      type: PropertyValue
      value: 0.107
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.141
    additional property: Loudness (dB)
      type: PropertyValue
      value: -15.992
    additional property: Key Name
      type: PropertyValue
      value: Ab
    additional property: Mode Name
      type: PropertyValue
      value: Minor

Sol
type: MusicAlbum
date published: 2024-09-01

Proyecto
type: MusicAlbum
date published: 2024-09-01