MARIA X
type: MusicGroup
description: Maria Chatzichristodoulou (born 1974), also known as Maria X, is a Greek cultural practitioner who has served as a curator, producer, painter, performer, writer, and community organizer."University of
popularity: 9
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x145be81b8bbbe1bab28e833f9c8082e840ea3c5baf308ead2d766082ea6385a7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d02b5be9-099c-480b-acf2-e41de102784b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d02b5be9-099c-480b-acf2-e41de102784b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d02b5be9-099c-480b-acf2-e41de102784b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x145be81b8bbbe1bab28e833f9c8082e840ea3c5baf308ead2d766082ea6385a7","name":"MARIA X","registered_at":"2026-06-21T01:05:19Z","symbol":"NIM1771387","token_address":"0xeab3aae102e126ec72661e67dedbc5b1eb3386f2","type":"artist","uuid":"d02b5be9-099c-480b-acf2-e41de102784b"}
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 0x145be81b8bbbe1bab28e833f9c8082e840ea3c5baf308ead2d766082ea6385a7. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d02b5be9-099c-480b-acf2-e41de102784b.json and https://artists.proofprofile.net/proofs/artist/d02b5be9-099c-480b-acf2-e41de102784b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x145be81b8bbbe1bab28e833f9c8082e840ea3c5baf308ead2d766082ea6385a7","name":"MARIA X","registered_at":"2026-06-21T01:05:19Z","symbol":"NIM1771387","token_address":"0xeab3aae102e126ec72661e67dedbc5b1eb3386f2","type":"artist","uuid":"d02b5be9-099c-480b-acf2-e41de102784b"}
album: Enfermo
  type: MusicAlbum
  date published: 2025-05-14
album: Felicidad a Oscuras
  type: MusicAlbum
  date published: 2025-05-14
album: Casa de Madera
  type: MusicAlbum
  date published: 2025-05-14
  track: Casa de Madera
    type: MusicRecording
    duration: PT2M7S
    duration ms: 127645
    explicit: false
    by artist: MARIA X
    in album: Casa de Madera
      type: MusicAlbum
      date published: 2025-05-14
    isrc code: AUBEC2597992
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T02:33:37+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x15baf96e16ec00f1316f37cb9a8d0eeb1487c48489a8d2ce24453db9db7a8b5e
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUBEC2597992
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    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 0x15baf96e16ec00f1316f37cb9a8d0eeb1487c48489a8d2ce24453db9db7a8b5e. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/AUBEC2597992.
      date published: 2026-07-06T06:56:49Z
    audio: Casa de Madera
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 155.93
      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: 0.528
      additional property: Energy
        type: PropertyValue
        value: 0.011
      additional property: Speechiness
        type: PropertyValue
        value: 0.104
      additional property: Acousticness
        type: PropertyValue
        value: 0.986
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.949
      additional property: Liveness
        type: PropertyValue
        value: 0.055
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.218
      additional property: Loudness (dB)
        type: PropertyValue
        value: -25.579
      additional property: Key Name
        type: PropertyValue
        value: A
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: La Montaña
  type: MusicAlbum
  date published: 2025-05-18
album: Desconfianza
  type: MusicAlbum
  date published: 2025-05-18
album: La Construccion
  type: MusicAlbum
  date published: 2025-05-18
  track: La Construccion
    type: MusicRecording
    duration: PT1M57S
    duration ms: 117037
    explicit: false
    by artist: MARIA X
    in album: La Construccion
      type: MusicAlbum
      date published: 2025-05-18
    isrc code: GBMA22556514
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-06T02:36:57+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x14eed5b8f649cd9ee85c81287c5be95abae97706cffb239133f1b2c22159e3cc
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956889
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956889
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA22556514
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-06T06:56:49Z
    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 0x14eed5b8f649cd9ee85c81287c5be95abae97706cffb239133f1b2c22159e3cc. Chain 2 (Bitcoin): anchored in block 956889 (2026-07-06T06:56:49Z), 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/GBMA22556514.
      date published: 2026-07-06T06:56:49Z
    audio: La Construccion
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 115.107
      additional property: Musical Key
        type: PropertyValue
        value: 4
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.83
      additional property: Energy
        type: PropertyValue
        value: 0.017
      additional property: Speechiness
        type: PropertyValue
        value: 0.089
      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: La Zika
album: La Canasta
album: La Reja
album: Tres y Medio
album: Muralla
album: Solamente Contigo
album: Un Secretito
album: Una Piedra

Acousticness
type: PropertyValue
value: 0.994

Instrumentalness
type: PropertyValue
value: 0.892

Liveness
type: PropertyValue
value: 0.126

Valence (Positivity)
type: PropertyValue
value: 0.169

Loudness (dB)
type: PropertyValue
value: -24.553

Key Name
type: PropertyValue
value: E

Mode Name
type: PropertyValue
value: Minor

La Zika
type: MusicAlbum
date published: 2025-05-26
track: La Zika
  type: MusicRecording
  duration: PT1M51S
  duration ms: 111272
  explicit: false
  by artist: MARIA X
  in album: La Zika
    type: MusicAlbum
    date published: 2025-05-26
  isrc code: GBMA22589608
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-06T01:51:51+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x6cd98c3de7a99677ac6b787d21925bfcf5c3a91915c5784a11b821dc985b795e
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956861
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956861
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA22589608
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-06T01:57:57Z
  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 0x6cd98c3de7a99677ac6b787d21925bfcf5c3a91915c5784a11b821dc985b795e. Chain 2 (Bitcoin): anchored in block 956861 (2026-07-06T01:57:57Z), 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/GBMA22589608.
    date published: 2026-07-06T01:57:57Z
  audio: La Zika
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 100.031
    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: 0.682
    additional property: Energy
      type: PropertyValue
      value: 0.167
    additional property: Speechiness
      type: PropertyValue
      value: 0.028
    additional property: Acousticness
      type: PropertyValue
      value: 0.878
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.897
    additional property: Liveness
      type: PropertyValue
      value: 0.106
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.507
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.04
    additional property: Key Name
      type: PropertyValue
      value: Bb
    additional property: Mode Name
      type: PropertyValue
      value: Minor

La Canasta
type: MusicAlbum
date published: 2025-05-26
track: La Canasta
  type: MusicRecording
  duration: PT1M57S
  duration ms: 117838
  explicit: false
  by artist: MARIA X
  in album: La Canasta
    type: MusicAlbum
    date published: 2025-05-26
  isrc code: GBMA22589043
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T08:54:57+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x963d4578549f0910c3d910c8f167b459c13ed190387c2d909add7c2d526eecdb
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GBMA22589043
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T10:01:58Z
  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 0x963d4578549f0910c3d910c8f167b459c13ed190387c2d909add7c2d526eecdb. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GBMA22589043.
    date published: 2026-07-22T10:01:58Z
  audio: La Canasta
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 130.024
    additional property: Musical Key
      type: PropertyValue
      value: 11
    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: 0.232
    additional property: Speechiness
      type: PropertyValue
      value: 0.058
    additional property: Acousticness
      type: PropertyValue
      value: 0.407
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.92
    additional property: Liveness
      type: PropertyValue
      value: 0.105
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.98
    additional property: Loudness (dB)
      type: PropertyValue
      value: -20.429
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Major

La Reja
type: MusicAlbum
date published: 2025-05-26

Tres y Medio
type: MusicAlbum
date published: 2025-06-21

Muralla
type: MusicAlbum
date published: 2025-06-21

Solamente Contigo
type: MusicAlbum
date published: 2025-06-30

Un Secretito
type: MusicAlbum
date published: 2025-06-30
track: Un Secretito
  type: MusicRecording
  duration: PT1M59S
  duration ms: 119951
  explicit: false
  by artist: MARIA X
  in album: Un Secretito
    type: MusicAlbum
    date published: 2025-06-30
  isrc code: GXH2J2516901
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-05T08:16:14+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x5fdd9513d7c399f668fd819b95fe2926128630675ebbd6daf3c53384921f2ea5
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 956790
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/956790
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXH2J2516901
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-05T12:31:54Z
  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 0x5fdd9513d7c399f668fd819b95fe2926128630675ebbd6daf3c53384921f2ea5. Chain 2 (Bitcoin): anchored in block 956790 (2026-07-05T12:31:54Z), 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/GXH2J2516901.
    date published: 2026-07-05T12:31:54Z
  audio: Un Secretito
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 107.984
    additional property: Musical Key
      type: PropertyValue
      value: 4
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 1
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.549
    additional property: Energy
      type: PropertyValue
      value: 0.036
    additional property: Speechiness
      type: PropertyValue
      value: 0.038
    additional property: Acousticness
      type: PropertyValue
      value: 0.992
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.817
    additional property: Liveness
      type: PropertyValue
      value: 0.137
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.136
    additional property: Loudness (dB)
      type: PropertyValue
      value: -25.559
    additional property: Key Name
      type: PropertyValue
      value: E
    additional property: Mode Name
      type: PropertyValue
      value: Major

Una Piedra
type: MusicAlbum
date published: 2025-06-30
track: Una Piedra
  type: MusicRecording
  duration: PT1M41S
  duration ms: 101619
  explicit: false
  by artist: MARIA X
  in album: Una Piedra
    type: MusicAlbum
    date published: 2025-06-30
  isrc code: GXH2J2516902
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-22T09:12:37+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x40582f9c0bc026be0b40b9e071a9d91b245ba7d76f71bb5421bcc8e105751bdd
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 959118
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/959118
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/GXH2J2516902
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-22T10:01:58Z
  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 0x40582f9c0bc026be0b40b9e071a9d91b245ba7d76f71bb5421bcc8e105751bdd. Chain 2 (Bitcoin): anchored in block 959118 (2026-07-22T10:01:58Z), 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/GXH2J2516902.
    date published: 2026-07-22T10:01:58Z
  audio: Una Piedra
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 114.993
    additional property: Musical Key
      type: PropertyValue
      value: 3
    additional property: Mode (Major/Minor)
      type: PropertyValue
      value: 0
    additional property: Time Signature
      type: PropertyValue
      value: 4
    additional property: Danceability
      type: PropertyValue
      value: 0.745
    additional property: Energy
      type: PropertyValue
      value: 0.307
    additional property: Speechiness
      type: PropertyValue
      value: 0.049
    additional property: Acousticness
      type: PropertyValue
      value: 0.134
    additional property: Instrumentalness
      type: PropertyValue
      value: 0.844
    additional property: Liveness
      type: PropertyValue
      value: 0.104
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.227
    additional property: Loudness (dB)
      type: PropertyValue
      value: -22.323
    additional property: Key Name
      type: PropertyValue
      value: Eb
    additional property: Mode Name
      type: PropertyValue
      value: Minor