Natsu no Mamono
type: MusicGroup
genre: j-rock
popularity: 2
followers: 613
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x473a0919786cfcb889f045f9710f465fe88fd6b4705240de6fe202bf70099a7a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954035
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954035
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3cac164e-5ffb-4e4d-9e3c-8233465aa734.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3cac164e-5ffb-4e4d-9e3c-8233465aa734.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3cac164e-5ffb-4e4d-9e3c-8233465aa734
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x473a0919786cfcb889f045f9710f465fe88fd6b4705240de6fe202bf70099a7a","name":"Natsu no Mamono","registered_at":"2026-06-16T10:45:08Z","symbol":"NIM1027427","token_address":"0x1c874d5546fe7b55cfbc2662c1b3112a8f529896","type":"artist","uuid":"3cac164e-5ffb-4e4d-9e3c-8233465aa734"}
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 0x473a0919786cfcb889f045f9710f465fe88fd6b4705240de6fe202bf70099a7a. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/3cac164e-5ffb-4e4d-9e3c-8233465aa734.json and https://artists.proofprofile.net/proofs/artist/3cac164e-5ffb-4e4d-9e3c-8233465aa734.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x473a0919786cfcb889f045f9710f465fe88fd6b4705240de6fe202bf70099a7a","name":"Natsu no Mamono","registered_at":"2026-06-16T10:45:08Z","symbol":"NIM1027427","token_address":"0x1c874d5546fe7b55cfbc2662c1b3112a8f529896","type":"artist","uuid":"3cac164e-5ffb-4e4d-9e3c-8233465aa734"}
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  date published: 2016-01-20
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  type: MusicAlbum
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