Kev Frey
type: MusicGroup
popularity: 21
followers: 16
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x5d95cc1396a04be4e7ccf72c975386db735e6baa8a0118a6d46c3ba681c83339
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bbc37d9a-8b92-49e0-a182-1c83e712ecd8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/bbc37d9a-8b92-49e0-a182-1c83e712ecd8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/bbc37d9a-8b92-49e0-a182-1c83e712ecd8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x5d95cc1396a04be4e7ccf72c975386db735e6baa8a0118a6d46c3ba681c83339","name":"Kev Frey","registered_at":"2026-06-12T08:29:27Z","symbol":"NIM0242477","token_address":"0xdca2cd009a5e1e03318e8217d2e43e7b3761917f","type":"artist","uuid":"bbc37d9a-8b92-49e0-a182-1c83e712ecd8"}
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 0x5d95cc1396a04be4e7ccf72c975386db735e6baa8a0118a6d46c3ba681c83339. Chain 2 (Bitcoin): anchored in block 953407 (2026-06-12T19:24:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/bbc37d9a-8b92-49e0-a182-1c83e712ecd8.json and https://artists.proofprofile.net/proofs/artist/bbc37d9a-8b92-49e0-a182-1c83e712ecd8.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-12T19:24:56Z
  text: {"copyright_id":"0x5d95cc1396a04be4e7ccf72c975386db735e6baa8a0118a6d46c3ba681c83339","name":"Kev Frey","registered_at":"2026-06-12T08:29:27Z","symbol":"NIM0242477","token_address":"0xdca2cd009a5e1e03318e8217d2e43e7b3761917f","type":"artist","uuid":"bbc37d9a-8b92-49e0-a182-1c83e712ecd8"}