Lil Cosse
type: MusicGroup
popularity: 2
followers: 256
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xba80f4021f15c91725476707e9ef138c8e263b4ea28e8c59fb672b7d70798b8c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954593
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954593
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:46:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xba80f4021f15c91725476707e9ef138c8e263b4ea28e8c59fb672b7d70798b8c","name":"Lil Cosse","registered_at":"2026-06-20T18:24:38Z","symbol":"NIM1680489","token_address":"0xdc037a28ad0a0e292d4ddda2a151545c9ea789f2","type":"artist","uuid":"bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f"}
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 0xba80f4021f15c91725476707e9ef138c8e263b4ea28e8c59fb672b7d70798b8c. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f.json and https://artists.proofprofile.net/proofs/artist/bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:46:01Z
  text: {"copyright_id":"0xba80f4021f15c91725476707e9ef138c8e263b4ea28e8c59fb672b7d70798b8c","name":"Lil Cosse","registered_at":"2026-06-20T18:24:38Z","symbol":"NIM1680489","token_address":"0xdc037a28ad0a0e292d4ddda2a151545c9ea789f2","type":"artist","uuid":"bf3de0b7-2bd6-4b88-9fc3-6a631aee5a7f"}
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  type: MusicAlbum
  date published: 2019-09-13
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  type: MusicAlbum
  date published: 2022-03-08