John Popper & The Duskray Troubadours
type: MusicGroup
genre: classic blues
popularity: 4
followers: 596
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xa0b0797b5ff45f09c1602f7f8620efa4827408ddb7329b4a73f6e850cab40e0a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954047
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954047
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4248d6ff-543c-4eb2-867b-d0c68e57b4ec.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4248d6ff-543c-4eb2-867b-d0c68e57b4ec.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4248d6ff-543c-4eb2-867b-d0c68e57b4ec
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T04:56:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xa0b0797b5ff45f09c1602f7f8620efa4827408ddb7329b4a73f6e850cab40e0a","name":"John Popper & The Duskray Troubadours","registered_at":"2026-06-16T12:40:37Z","symbol":"NIM1054967","token_address":"0x16d2e3dd09ef5da1723e97ab32dde690d78e24f8","type":"artist","uuid":"4248d6ff-543c-4eb2-867b-d0c68e57b4ec"}
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 0xa0b0797b5ff45f09c1602f7f8620efa4827408ddb7329b4a73f6e850cab40e0a. 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/4248d6ff-543c-4eb2-867b-d0c68e57b4ec.json and https://artists.proofprofile.net/proofs/artist/4248d6ff-543c-4eb2-867b-d0c68e57b4ec.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0xa0b0797b5ff45f09c1602f7f8620efa4827408ddb7329b4a73f6e850cab40e0a","name":"John Popper & The Duskray Troubadours","registered_at":"2026-06-16T12:40:37Z","symbol":"NIM1054967","token_address":"0x16d2e3dd09ef5da1723e97ab32dde690d78e24f8","type":"artist","uuid":"4248d6ff-543c-4eb2-867b-d0c68e57b4ec"}
album: John Popper And The Duskray Troubadours
  type: MusicAlbum
  date published: 2011-01-01
album: Love Has Made It So
  type: MusicAlbum
  date published: 2011-01-01
album: Something Sweet
  type: MusicAlbum
  date published: 2011-03-08
album: John Popper & The Duskray Troubadours
  type: MusicAlbum
  date published: 2011-05-10
  track: Champipple
    type: MusicRecording
    duration: PT4M15S
    duration ms: 255986
    explicit: false
    by artist: John Popper & The Duskray Troubadours
    in album: John Popper & The Duskray Troubadours
      type: MusicAlbum
      date published: 2011-05-10
    genre: classic blues
    isrc code: USSJ11000192
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-04T06:29:12+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x0ca648fa0de257ef17779ea63ef855e70e4f0e02e21f33b42b09265d2d9226cd
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 956656
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/956656
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/USSJ11000192
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-04T14:03:39Z
    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 0x0ca648fa0de257ef17779ea63ef855e70e4f0e02e21f33b42b09265d2d9226cd. Chain 2 (Bitcoin): anchored in block 956656 (2026-07-04T14:03:39Z), 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/USSJ11000192.
      date published: 2026-07-04T14:03:39Z
    audio: Champipple
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 94.012
      additional property: Musical Key
        type: PropertyValue
        value: 0
      additional property: Mode (Major/Minor)
        type: PropertyValue
        value: 1
      additional property: Time Signature
        type: PropertyValue
        value: 4
      additional property: Danceability
        type: PropertyValue
        value: 0.726
      additional property: Energy
        type: PropertyValue
        value: 0.584
      additional property: Speechiness
        type: PropertyValue
        value: 0.032
      additional property: Acousticness
        type: PropertyValue
        value: 0.617
      additional property: Instrumentalness
        type: PropertyValue
        value: 0
      additional property: Liveness
        type: PropertyValue
        value: 0.111
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.92
      additional property: Loudness (dB)
        type: PropertyValue
        value: -8.626
      additional property: Key Name
        type: PropertyValue
        value: C
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Love Has Made It So
  type: MusicAlbum
  date published: 2011-05-10
album: Love Has Made It So
  type: MusicAlbum
  date published: 2011-05-10