Thomas Da Costa
type: MusicGroup
popularity: 19
followers: 2732
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x672795d3da48e029621c9af540ece5a9967eca72ffd2de65a30cf2c62bcff257
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/425b6088-6ddd-4ed2-a96d-bc9925f3b5ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/425b6088-6ddd-4ed2-a96d-bc9925f3b5ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/425b6088-6ddd-4ed2-a96d-bc9925f3b5ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x672795d3da48e029621c9af540ece5a9967eca72ffd2de65a30cf2c62bcff257","name":"Thomas Da Costa","registered_at":"2026-06-14T11:30:47Z","symbol":"NIM0439251","token_address":"0x9e361ee5d65ce10f78ff8ec97dca9de3de96be4b","type":"artist","uuid":"425b6088-6ddd-4ed2-a96d-bc9925f3b5ec"}
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 0x672795d3da48e029621c9af540ece5a9967eca72ffd2de65a30cf2c62bcff257. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/425b6088-6ddd-4ed2-a96d-bc9925f3b5ec.json and https://artists.proofprofile.net/proofs/artist/425b6088-6ddd-4ed2-a96d-bc9925f3b5ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0x672795d3da48e029621c9af540ece5a9967eca72ffd2de65a30cf2c62bcff257","name":"Thomas Da Costa","registered_at":"2026-06-14T11:30:47Z","symbol":"NIM0439251","token_address":"0x9e361ee5d65ce10f78ff8ec97dca9de3de96be4b","type":"artist","uuid":"425b6088-6ddd-4ed2-a96d-bc9925f3b5ec"}
album: Avion Mode
  type: MusicAlbum
  date published: 2022-02-18
  track: Avion Mode
    type: MusicRecording
    duration: PT3M51S
    duration ms: 231911
    explicit: false
    by artist: Thomas Da Costa
    in album: Avion Mode
      type: MusicAlbum
      date published: 2022-02-18
    isrc code: QZFZ72282317
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-13T18:26:53+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x18d7c1f2d0a314e98859c5d464ca54d53b0335ba0e86c962d2eb55ed8cbdcd08
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957899
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957899
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZFZ72282317
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-13T19:36:39Z
    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 0x18d7c1f2d0a314e98859c5d464ca54d53b0335ba0e86c962d2eb55ed8cbdcd08. Chain 2 (Bitcoin): anchored in block 957899 (2026-07-13T19:36:39Z), 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/QZFZ72282317.
      date published: 2026-07-13T19:36:39Z
    audio: Avion Mode
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 119.953
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.727
      additional property: Energy
        type: PropertyValue
        value: 0.377
      additional property: Speechiness
        type: PropertyValue
        value: 0.12
      additional property: Acousticness
        type: PropertyValue
        value: 0.562
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.091
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.256
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.457
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Jeu
  type: MusicAlbum
  date published: 2023-02-10
album: ENSEMBLE
  type: MusicAlbum
  date published: 2024-04-26
album: OH OH
  type: MusicAlbum
  date published: 2024-07-12
  track: OH OH
    type: MusicRecording
    duration: PT2M39S
    duration ms: 159000
    explicit: false
    by artist: Thomas Da Costa
    in album: OH OH
      type: MusicAlbum
      date published: 2024-07-12
    isrc code: QZNWZ2493167
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T15:22:50+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xeec637bee1d604d823f83c068ec041bb7ee84079e0b926f4667c66271e0568c8
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956728
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956728
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZNWZ2493167
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T01:43:49Z
    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 0xeec637bee1d604d823f83c068ec041bb7ee84079e0b926f4667c66271e0568c8. Chain 2 (Bitcoin): anchored in block 956728 (2026-07-05T01:43:49Z), 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/QZNWZ2493167.
      date published: 2026-07-05T01:43:49Z
    audio: OH OH
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94
      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: 0.798
      additional property: Energy
        type: PropertyValue
        value: 0.79
      additional property: Speechiness
        type: PropertyValue
        value: 0.072
      additional property: Acousticness
        type: PropertyValue
        value: 0.254
      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: PENSE ENCORE
album: Quand est-ce que tu reviens ?
track: Joué

Joué
type: MusicRecording
duration: PT2M42S
duration ms: 162234
explicit: false
by artist: Carla
by artist: Thomas Da Costa
in album: Joué
  type: MusicAlbum
  date published: 2023-05-05
genre: chanson
genre: variete-francaise
isrc code: FXQ022302625
additional property: CopyrightID
additional property: CopyrightStatus
  type: PropertyValue
  value: registered
additional property: CopyrightRegisteredAt
  type: PropertyValue
  value: 2026-06-09T10:44:37+00:00
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa755e84dc6f707c08652aed0ae641ff622c2e88a183d27f6469a51865662eff6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953520
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953520
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/FXQ022302625
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-13T13:32:09Z
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
additional property: ProofProfileEvidenceStatus
  type: PropertyValue
  value: verified-cc-db-prod
additional property: TokenDeploymentConfirmed
  type: PropertyValue
  value: true
additional property: ContentHash
additional property: BitcoinBlock
  type: PropertyValue
  value: 953520
additional property: BitcoinTime
  type: PropertyValue
  value: 2026-06-13T13:32:09+00:00
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xa755e84dc6f707c08652aed0ae641ff622c2e88a183d27f6469a51865662eff6. Chain 2 (Bitcoin): anchored in block 953520 (2026-06-13T13:32:09Z), 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/FXQ022302625.
  date published: 2026-06-13T13:32:09Z
audio: Joué
  type: AudioObject
  additional property: Tempo (BPM)
    type: PropertyValue
    value: 108.708
  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: 0.526
  additional property: Energy
    type: PropertyValue
    value: 0.431
  additional property: Speechiness
    type: PropertyValue
    value: 0.19
  additional property: Acousticness
    type: PropertyValue
    value: 0.454
  additional property: Instrumentalness
    type: PropertyValue
    value: 0
  additional property: Liveness
    type: PropertyValue
    value: 0.104
  additional property: Valence (Positivity)
    type: PropertyValue
    value: 0.213
  additional property: Loudness (dB)
    type: PropertyValue
    value: -14.356
  additional property: Key Name
    type: PropertyValue
    value: Bb
  additional property: Mode Name
    type: PropertyValue
    value: Minor

Liveness
type: PropertyValue
value: 0.136

Valence (Positivity)
type: PropertyValue
value: 0.55

Loudness (dB)
type: PropertyValue
value: -4.972

Key Name
type: PropertyValue
value: Bb

Mode Name
type: PropertyValue
value: Minor

PENSE ENCORE
type: MusicAlbum
date published: 2024-11-15

Quand est-ce que tu reviens ?
type: MusicAlbum
date published: 2025-04-18
track: Quand est-ce que tu reviens ?
  type: MusicRecording
  duration: PT2M37S
  duration ms: 157440
  explicit: false
  by artist: Thomas Da Costa
  in album: Quand est-ce que tu reviens ?
    type: MusicAlbum
    date published: 2025-04-18
  isrc code: QZK6F2555776
  additional property: CopyrightID
  additional property: CopyrightStatus
    type: PropertyValue
    value: registered
  additional property: CopyrightRegisteredAt
    type: PropertyValue
    value: 2026-07-15T00:40:24+00:00
  additional property: CopyrightChainExplorerURL
    type: PropertyValue
    value: https://explorer.copyrightchains.com/tx/0x1c9e6da57fc4dd9e5234e75d94e591cc2b43898beef379e204f45ccfdfa9108b
  additional property: OTSHash
  additional property: OTSBitcoinBlock
    type: PropertyValue
    value: 958095
  additional property: OTSBitcoinBlockVerifyURL
    type: PropertyValue
    value: https://blockstream.info/api/block-height/958095
  additional property: OTSVerificationAPI
    type: PropertyValue
    value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZK6F2555776
  additional property: OTSTimestamp
    type: PropertyValue
    value: 2026-07-15T04:30:08Z
  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
  subject of: OpenTimestamps Proof of Existence
    type: DigitalDocument
    encoding format: application/vnd.opentimestamps.ots
    description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1c9e6da57fc4dd9e5234e75d94e591cc2b43898beef379e204f45ccfdfa9108b. Chain 2 (Bitcoin): anchored in block 958095 (2026-07-15T04:30:08Z), 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/QZK6F2555776.
    date published: 2026-07-15T04:30:08Z
  audio: Quand est-ce que tu reviens ?
    type: AudioObject
    additional property: Tempo (BPM)
      type: PropertyValue
      value: 124.983
    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: 0.844
    additional property: Energy
      type: PropertyValue
      value: 0.459
    additional property: Speechiness
      type: PropertyValue
      value: 0.112
    additional property: Acousticness
      type: PropertyValue
      value: 0.359
    additional property: Instrumentalness
      type: PropertyValue
      value: 0
    additional property: Liveness
      type: PropertyValue
      value: 0.087
    additional property: Valence (Positivity)
      type: PropertyValue
      value: 0.768
    additional property: Loudness (dB)
      type: PropertyValue
      value: -9.406
    additional property: Key Name
      type: PropertyValue
      value: B
    additional property: Mode Name
      type: PropertyValue
      value: Minor