Fredd Costa
type: MusicGroup
popularity: 2
followers: 300
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x309b1c5fce940d64d876acd13939d63f48204a432a9827b683db978a4f4b6381
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953982
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953982
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cd83e54-93af-49a2-842f-b3f3fe9aee39.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2cd83e54-93af-49a2-842f-b3f3fe9aee39.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2cd83e54-93af-49a2-842f-b3f3fe9aee39
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:42:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x309b1c5fce940d64d876acd13939d63f48204a432a9827b683db978a4f4b6381","name":"Fredd Costa","registered_at":"2026-06-16T05:10:18Z","symbol":"NIM0947481","token_address":"0x7e63e2fa3b0a06c6c91474802eecc66b404392c7","type":"artist","uuid":"2cd83e54-93af-49a2-842f-b3f3fe9aee39"}
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 0x309b1c5fce940d64d876acd13939d63f48204a432a9827b683db978a4f4b6381. Chain 2 (Bitcoin): anchored in block 953982 (2026-06-16T17:42:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2cd83e54-93af-49a2-842f-b3f3fe9aee39.json and https://artists.proofprofile.net/proofs/artist/2cd83e54-93af-49a2-842f-b3f3fe9aee39.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T17:42:23Z
  text: {"copyright_id":"0x309b1c5fce940d64d876acd13939d63f48204a432a9827b683db978a4f4b6381","name":"Fredd Costa","registered_at":"2026-06-16T05:10:18Z","symbol":"NIM0947481","token_address":"0x7e63e2fa3b0a06c6c91474802eecc66b404392c7","type":"artist","uuid":"2cd83e54-93af-49a2-842f-b3f3fe9aee39"}
album: Fratura Exposta
  type: MusicAlbum
  date published: 2024-03-22
  track: Fratura Exposta
    type: MusicRecording
    duration: PT3M0S
    duration ms: 180401
    explicit: false
    by artist: Fredd Costa
    in album: Fratura Exposta
      type: MusicAlbum
      date published: 2024-03-22
    isrc code: QZGLS2420230
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-20T02:06:16+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xa4759db915bb77ed52141e1b0b9e4ab86aaeafd6a1b0c184a4f6155ddc0244c5
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958805
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958805
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZGLS2420230
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-20T02:22:58Z
    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 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 0xa4759db915bb77ed52141e1b0b9e4ab86aaeafd6a1b0c184a4f6155ddc0244c5. Chain 2 (Bitcoin): anchored in block 958805 (2026-07-20T02:22:58Z), 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/QZGLS2420230.
      date published: 2026-07-20T02:22:58Z
    audio: Fratura Exposta
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 147.939
      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: 0.605
      additional property: Energy
        type: PropertyValue
        value: 0.637
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.348
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.132
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.472
      additional property: Loudness (dB)
        type: PropertyValue
        value: -5.326
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major