Delvin's acoustic sounds
type: MusicGroup
popularity: 2
followers: 507
additional property: CopyrightID
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additional property: OTSBitcoinBlockVerifyURL
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additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/49f6b29d-3549-4487-b98d-a32681b0df5d.json
additional property: OTSVerificationAPI
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x1b76f39030529c28de3b3bf63d714101c4e983ce82320dbcd5a28cc71b919e05. Chain 2 (Bitcoin): anchored in block 954065 (2026-06-17T08:10:43Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/49f6b29d-3549-4487-b98d-a32681b0df5d.json and https://artists.proofprofile.net/proofs/artist/49f6b29d-3549-4487-b98d-a32681b0df5d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
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album: Mafikizo, yomaps & yellowman (mashup)
  type: MusicAlbum
  date published: 2023-10-07
album: If you thinking of going
  type: MusicAlbum
  date published: 2023-12-15
album: Someone better
  type: MusicAlbum
  date published: 2025-09-14
  track: Someone better
    type: MusicRecording
    duration: PT4M8S
    duration ms: 248043
    explicit: false
    by artist: Delvin's acoustic sounds
    in album: Someone better
      type: MusicAlbum
      date published: 2025-09-14
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    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/QZZ7T2543896
    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 0x219ee48334b6f9546f8a5754f75127151de4b54ccb47f0e38fb9e306302416b5. 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/QZZ7T2543896.
      date published: 2026-07-05T10:59:37Z
    audio: Someone better
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 179.929
      additional property: Musical Key
        type: PropertyValue
        value: 3
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.592
      additional property: Energy
        type: PropertyValue
        value: 0.486
      additional property: Speechiness
        type: PropertyValue
        value: 0.113
      additional property: Acousticness
        type: PropertyValue
        value: 0.787
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.113
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.691
      additional property: Loudness (dB)
        type: PropertyValue
        value: -10.3
      additional property: Key Name
        type: PropertyValue
        value: Eb
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Halo reggae (Radio Edit)
  type: MusicAlbum
  date published: 2025-10-09