times of change
type: MusicGroup
genre: ambient
popularity: 3
followers: 28
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x81640de5b77db8ea5707fbd555f68d2a812114927a69f35f6cc5f799d1e3d891
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954027
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954027
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3983801e-43fa-40ce-aa9d-61f780b7d856.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3983801e-43fa-40ce-aa9d-61f780b7d856.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3983801e-43fa-40ce-aa9d-61f780b7d856
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T00:55:08Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x81640de5b77db8ea5707fbd555f68d2a812114927a69f35f6cc5f799d1e3d891","name":"times of change","registered_at":"2026-06-16T09:35:34Z","symbol":"NIM1010815","token_address":"0xa14dc68eb9e865313d0b25906f155afaf2d885a7","type":"artist","uuid":"3983801e-43fa-40ce-aa9d-61f780b7d856"}
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 0x81640de5b77db8ea5707fbd555f68d2a812114927a69f35f6cc5f799d1e3d891. Chain 2 (Bitcoin): anchored in block 954028 (2026-06-17T01:08:06Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3983801e-43fa-40ce-aa9d-61f780b7d856.json and https://artists.proofprofile.net/proofs/artist/3983801e-43fa-40ce-aa9d-61f780b7d856.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T01:08:06Z
  text: {"copyright_id":"0x81640de5b77db8ea5707fbd555f68d2a812114927a69f35f6cc5f799d1e3d891","name":"times of change","registered_at":"2026-06-16T09:35:34Z","symbol":"NIM1010815","token_address":"0xa14dc68eb9e865313d0b25906f155afaf2d885a7","type":"artist","uuid":"3983801e-43fa-40ce-aa9d-61f780b7d856"}
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