o7 Productions
type: MusicGroup
genre: vocaloid
popularity: 12
followers: 305
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xd8a2fafa27bd27d0b13745967e4021bda6b4c7ddd2cde075dc6719502a3c3a0f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953660
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953660
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54b198ea-61fd-4109-b183-97abe227d780.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/54b198ea-61fd-4109-b183-97abe227d780.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/54b198ea-61fd-4109-b183-97abe227d780
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T17:20:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xd8a2fafa27bd27d0b13745967e4021bda6b4c7ddd2cde075dc6719502a3c3a0f","name":"o7 Productions","registered_at":"2026-06-14T13:22:09Z","symbol":"NIM0465837","token_address":"0x2c1046d2ce545cad327f59208e6192390ee457e5","type":"artist","uuid":"54b198ea-61fd-4109-b183-97abe227d780"}
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 0xd8a2fafa27bd27d0b13745967e4021bda6b4c7ddd2cde075dc6719502a3c3a0f. Chain 2 (Bitcoin): anchored in block 953699 (2026-06-14T22:00:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/54b198ea-61fd-4109-b183-97abe227d780.json and https://artists.proofprofile.net/proofs/artist/54b198ea-61fd-4109-b183-97abe227d780.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T22:00:24Z
  text: {"copyright_id":"0xd8a2fafa27bd27d0b13745967e4021bda6b4c7ddd2cde075dc6719502a3c3a0f","name":"o7 Productions","registered_at":"2026-06-14T13:22:09Z","symbol":"NIM0465837","token_address":"0x2c1046d2ce545cad327f59208e6192390ee457e5","type":"artist","uuid":"54b198ea-61fd-4109-b183-97abe227d780"}
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  type: MusicAlbum
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  type: MusicAlbum
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