東來東往
type: MusicGroup
genre: mandopop
popularity: 12
followers: 80
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xbf7e17d1d260017f01b7bb4a08b7ebef6a35600808327019b3a22cbed955c5c0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98b033ab-a67c-4f56-8811-5e47e82dfa0b.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/98b033ab-a67c-4f56-8811-5e47e82dfa0b.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/98b033ab-a67c-4f56-8811-5e47e82dfa0b
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:47:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xbf7e17d1d260017f01b7bb4a08b7ebef6a35600808327019b3a22cbed955c5c0","name":"東來東往","registered_at":"2026-06-14T20:35:54Z","symbol":"NIM0569270","token_address":"0x0da32832ce213d09f3bc253b41bafd770bfcfc6d","type":"artist","uuid":"98b033ab-a67c-4f56-8811-5e47e82dfa0b"}
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 0xbf7e17d1d260017f01b7bb4a08b7ebef6a35600808327019b3a22cbed955c5c0. Chain 2 (Bitcoin): anchored in block 953742 (2026-06-15T04:47:56Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/98b033ab-a67c-4f56-8811-5e47e82dfa0b.json and https://artists.proofprofile.net/proofs/artist/98b033ab-a67c-4f56-8811-5e47e82dfa0b.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T04:47:56Z
  text: {"copyright_id":"0xbf7e17d1d260017f01b7bb4a08b7ebef6a35600808327019b3a22cbed955c5c0","name":"東來東往","registered_at":"2026-06-14T20:35:54Z","symbol":"NIM0569270","token_address":"0x0da32832ce213d09f3bc253b41bafd770bfcfc6d","type":"artist","uuid":"98b033ab-a67c-4f56-8811-5e47e82dfa0b"}
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  type: MusicAlbum
  date published: 2020-12-04
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