Martin Hanna
type: MusicGroup
popularity: 8
followers: 36
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x710f27ef309a05b4eb67b5b63944021321d82943c883e13b5a2bdcf4276b078b
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954063
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954063
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45942215-f904-473c-9e88-a6c87c21c3fa.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/45942215-f904-473c-9e88-a6c87c21c3fa.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/45942215-f904-473c-9e88-a6c87c21c3fa
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T07:49:29Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x710f27ef309a05b4eb67b5b63944021321d82943c883e13b5a2bdcf4276b078b","name":"Martin Hanna","registered_at":"2026-06-16T13:52:58Z","symbol":"NIM1072220","token_address":"0xfd16a924041f47472138b74e466a789de6d1435f","type":"artist","uuid":"45942215-f904-473c-9e88-a6c87c21c3fa"}
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 0x710f27ef309a05b4eb67b5b63944021321d82943c883e13b5a2bdcf4276b078b. 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/45942215-f904-473c-9e88-a6c87c21c3fa.json and https://artists.proofprofile.net/proofs/artist/45942215-f904-473c-9e88-a6c87c21c3fa.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:10:43Z
  text: {"copyright_id":"0x710f27ef309a05b4eb67b5b63944021321d82943c883e13b5a2bdcf4276b078b","name":"Martin Hanna","registered_at":"2026-06-16T13:52:58Z","symbol":"NIM1072220","token_address":"0xfd16a924041f47472138b74e466a789de6d1435f","type":"artist","uuid":"45942215-f904-473c-9e88-a6c87c21c3fa"}
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  type: MusicAlbum
  date published: 2021-05-14
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  type: MusicAlbum
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