Sojourne
type: MusicGroup
popularity: 6
followers: 39
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xdfdf27408f2728b67559fc1126b6c6ba8fdd5077c0a636389870bac0d79d83b3
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ecf1dc11-7b2c-4378-bdc2-18746d82f20b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ecf1dc11-7b2c-4378-bdc2-18746d82f20b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ecf1dc11-7b2c-4378-bdc2-18746d82f20b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
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 0xdfdf27408f2728b67559fc1126b6c6ba8fdd5077c0a636389870bac0d79d83b3. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ecf1dc11-7b2c-4378-bdc2-18746d82f20b.json and https://artists.proofprofile.net/proofs/artist/ecf1dc11-7b2c-4378-bdc2-18746d82f20b.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-21T13:42:37Z
album: Sunwise
  type: MusicAlbum
  date published: 2024-10-04
album: Sunwise
  type: MusicAlbum
  date published: 2024-10-04
  track: Sunwise
    type: MusicRecording
    duration: PT2M20S
    duration ms: 140000
    explicit: false
    by artist: Sojourne
    in album: Sunwise
      type: MusicAlbum
      date published: 2024-10-04
    isrc code: NL4CP2426709
    additional property: CopyrightID
    additional property: CopyrightStatus
      type: PropertyValue
      value: registered
    additional property: CopyrightRegisteredAt
      type: PropertyValue
      value: 2026-07-12T23:35:15+00:00
    additional property: CopyrightChainExplorerURL
      type: PropertyValue
      value: https://explorer.copyrightchains.com/tx/0x3d61d89d2fe4a7037c2dd81689714b166bda213c11f92f4f15e19bf830dd4b66
    additional property: OTSHash
    additional property: OTSBitcoinBlock
      type: PropertyValue
      value: 957774
    additional property: OTSBitcoinBlockVerifyURL
      type: PropertyValue
      value: https://blockstream.info/api/block-height/957774
    additional property: OTSVerificationAPI
      type: PropertyValue
      value: https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL4CP2426709
    additional property: OTSTimestamp
      type: PropertyValue
      value: 2026-07-12T23:51:20Z
    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 0x3d61d89d2fe4a7037c2dd81689714b166bda213c11f92f4f15e19bf830dd4b66. Chain 2 (Bitcoin): anchored in block 957774 (2026-07-12T23:51:20Z), 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 at https://artists.proofprofile.net/api/v1/bot/ots/verify/track/NL4CP2426709 — a six-check JSON result.
      date published: 2026-07-12T23:51:20Z
    audio: Sunwise
      type: AudioObject
      additional property: Tempo (BPM)
        type: PropertyValue
        value: 107.869
      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: 0.63
      additional property: Energy
        type: PropertyValue
        value: 0.812
      additional property: Speechiness
        type: PropertyValue
        value: 0.067
      additional property: Acousticness
        type: PropertyValue
        value: 0.002
      additional property: Instrumentalness
        type: PropertyValue
        value: 0.867
      additional property: Liveness
        type: PropertyValue
        value: 0.214
      additional property: Valence (Positivity)
        type: PropertyValue
        value: 0.413
      additional property: Loudness (dB)
        type: PropertyValue
        value: -9.163
      additional property: Key Name
        type: PropertyValue
        value: D
      additional property: Mode Name
        type: PropertyValue
        value: Major
album: Cruise Control
  type: MusicAlbum
  date published: 2024-12-13
album: Cruise Control
  type: MusicAlbum
  date published: 2024-12-13
album: A Temporary Stay
  type: MusicAlbum
  date published: 2025-06-21