mayu うみのいきもの
type: MusicGroup
popularity: 2
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6c76de3bbc644d8a0d8f7edd37583180245d0f0599815a27533513f2b7828bf7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954667
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954667
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T07:29:20Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6c76de3bbc644d8a0d8f7edd37583180245d0f0599815a27533513f2b7828bf7","name":"mayu うみのいきもの","registered_at":"2026-06-21T05:51:43Z","symbol":"NIM1839628","token_address":"0xbb851ed2109795c37d9f8a0e96e2098efd8a24e1","type":"artist","uuid":"df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e"}
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 0x6c76de3bbc644d8a0d8f7edd37583180245d0f0599815a27533513f2b7828bf7. Chain 2 (Bitcoin): anchored in block 954667 (2026-06-21T07:29:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e.json and https://artists.proofprofile.net/proofs/artist/df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T07:29:20Z
  text: {"copyright_id":"0x6c76de3bbc644d8a0d8f7edd37583180245d0f0599815a27533513f2b7828bf7","name":"mayu うみのいきもの","registered_at":"2026-06-21T05:51:43Z","symbol":"NIM1839628","token_address":"0xbb851ed2109795c37d9f8a0e96e2098efd8a24e1","type":"artist","uuid":"df72ebb8-3d83-48a5-8fd4-4fe7a0ede78e"}
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