Velvet Chain
type: MusicGroup
description: Velvet Chain is a bi-coastal alternative rock band whose sound features a mixture of trip hop, rock, and pop, with a jazz/funk flavor. (The band has sometimes been known to refer to their work as "spa
popularity: 19
followers: 2183
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb686dcae3643eae51475bbc3fece3d9d310d4de7f5217d6ecd876414cc95aaa5
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb686dcae3643eae51475bbc3fece3d9d310d4de7f5217d6ecd876414cc95aaa5","name":"Velvet Chain","registered_at":"2026-06-14T21:29:52Z","symbol":"NIM0582138","token_address":"0x68c062c2414f5c3af5818ac07380c8fb2a441234","type":"artist","uuid":"a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7"}
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 0xb686dcae3643eae51475bbc3fece3d9d310d4de7f5217d6ecd876414cc95aaa5. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7.json and https://artists.proofprofile.net/proofs/artist/a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xb686dcae3643eae51475bbc3fece3d9d310d4de7f5217d6ecd876414cc95aaa5","name":"Velvet Chain","registered_at":"2026-06-14T21:29:52Z","symbol":"NIM0582138","token_address":"0x68c062c2414f5c3af5818ac07380c8fb2a441234","type":"artist","uuid":"a0f64dcd-2d64-49b9-bc11-9c322a4e3cb7"}
album: Strong (The Buffy Mix)
  type: MusicAlbum
  date published: 1996-01-01
album: Warm
  type: MusicAlbum
  date published: 1998-12-08
  track: Sour Times
    type: MusicRecording
    duration: PT2M41S
    duration ms: 161620
    explicit: false
    by artist: Velvet Chain
    in album: Warm
      type: MusicAlbum
      date published: 1998-12-08
    isrc code: USA370301179
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-19T05:40:40+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x684544389bcf93c2600f891d0fb3e785a5ade40a50402d1c80c5e86a8373931d
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 958676
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/958676
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USA370301179
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-19T05:43:13Z
    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 0x684544389bcf93c2600f891d0fb3e785a5ade40a50402d1c80c5e86a8373931d. Chain 2 (Bitcoin): anchored in block 958676 (2026-07-19T05:43:13Z), 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/USA370301179.
      date published: 2026-07-19T05:43:13Z
    audio: Sour Times
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 153.157
      additional property: Musical Key
        type: PropertyValue
        value: 1
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 0
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.501
      additional property: Energy
        type: PropertyValue
        value: 0.647
      additional property: Speechiness
        type: PropertyValue
        value: 0.034
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.002
      additional property: Liveness
        type: PropertyValue
        value: 0.126
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.565
      additional property: Loudness (dB)
        type: PropertyValue
        value: -7.336
      additional property: Key Name
        type: PropertyValue
        value: C#
      additional property: Mode Name
        type: PropertyValue
        value: Minor
album: The Buffy EP
  type: MusicAlbum
  date published: 1999-10-19
album: Moody Groove Music
  type: MusicAlbum
  date published: 2000-04-15
album: Live at the Temple Bar
  type: MusicAlbum
  date published: 2000-12-07
album: Asteroid Belt
  type: MusicAlbum
  date published: 2003-12-01