Emily Kaffré
type: MusicGroup
popularity: 3
followers: 662
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x339f878a2e04eb2ec04ece1e343b681fcfb0207244754b0b0485a76b6b7277ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954659
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954659
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T06:14:42Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x339f878a2e04eb2ec04ece1e343b681fcfb0207244754b0b0485a76b6b7277ea","name":"Emily Kaffré","registered_at":"2026-06-21T05:21:34Z","symbol":"NIM1832425","token_address":"0x66fcc8c43b53f2a655d9f52ee84f88033b7d2641","type":"artist","uuid":"dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9"}
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 0x339f878a2e04eb2ec04ece1e343b681fcfb0207244754b0b0485a76b6b7277ea. Chain 2 (Bitcoin): anchored in block 954659 (2026-06-21T06:14:42Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9.json and https://artists.proofprofile.net/proofs/artist/dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T06:14:42Z
  text: {"copyright_id":"0x339f878a2e04eb2ec04ece1e343b681fcfb0207244754b0b0485a76b6b7277ea","name":"Emily Kaffré","registered_at":"2026-06-21T05:21:34Z","symbol":"NIM1832425","token_address":"0x66fcc8c43b53f2a655d9f52ee84f88033b7d2641","type":"artist","uuid":"dcfba5b4-1f5e-47f6-9353-bdfbc72c24b9"}
album: La Flor
  type: MusicAlbum
  date published: 2024-08-27
album: Tanto
  type: MusicAlbum
  date published: 2024-08-29
album: Aunque Tú
  type: MusicAlbum
  date published: 2024-11-14
album: Dos Extraños
  type: MusicAlbum
  date published: 2025-01-29
album: Lluvia
  type: MusicAlbum
  date published: 2025-04-16
album: Tal Vez
  type: MusicAlbum
  date published: 2025-07-29
  track: Tal Vez
    type: MusicRecording
    duration: PT3M33S
    duration ms: 213528
    explicit: false
    by artist: Emily Kaffré
    in album: Tal Vez
      type: MusicAlbum
      date published: 2025-07-29
    isrc code: QZWFP2572094
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-05T05:35:18+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0xf5d91484a6ff345e26f2ebcd1b382661e39ee868950cce50baccc7ae255413b3
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956776
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956776
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZWFP2572094
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-05T10:59:37Z
    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 0xf5d91484a6ff345e26f2ebcd1b382661e39ee868950cce50baccc7ae255413b3. Chain 2 (Bitcoin): anchored in block 956776 (2026-07-05T10:59:37Z), 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/QZWFP2572094.
      date published: 2026-07-05T10:59:37Z
    audio: Tal Vez
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 189.928
      additional property: Musical Key
        type: PropertyValue
        value: 8
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 3
      additional property: Danceability
        type: PropertyValue
        value: 0.303
      additional property: Energy
        type: PropertyValue
        value: 0.404
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.439
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.101
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.094
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.888
      additional property: Key Name
        type: PropertyValue
        value: Ab
      additional property: Mode Name
        type: PropertyValue
        value: Major