児童劇団「大きな夢」
type: MusicGroup
popularity: 8
followers: 108
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x271c569386a873c5e0852e588e924cadaab176a41cb82762e2614b1c252e3896
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953888
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953888
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0dbf48cf-25ef-425d-905a-d62b172c9443.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0dbf48cf-25ef-425d-905a-d62b172c9443.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0dbf48cf-25ef-425d-905a-d62b172c9443
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:55:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x271c569386a873c5e0852e588e924cadaab176a41cb82762e2614b1c252e3896","name":"児童劇団「大きな夢」","registered_at":"2026-06-15T18:23:56Z","symbol":"NIM0793203","token_address":"0x9b4848a6ed9047e772d1b7df9dce053e4f844870","type":"artist","uuid":"0dbf48cf-25ef-425d-905a-d62b172c9443"}
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 0x271c569386a873c5e0852e588e924cadaab176a41cb82762e2614b1c252e3896. Chain 2 (Bitcoin): anchored in block 953888 (2026-06-16T04:55:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0dbf48cf-25ef-425d-905a-d62b172c9443.json and https://artists.proofprofile.net/proofs/artist/0dbf48cf-25ef-425d-905a-d62b172c9443.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T04:55:23Z
  text: {"copyright_id":"0x271c569386a873c5e0852e588e924cadaab176a41cb82762e2614b1c252e3896","name":"児童劇団「大きな夢」","registered_at":"2026-06-15T18:23:56Z","symbol":"NIM0793203","token_address":"0x9b4848a6ed9047e772d1b7df9dce053e4f844870","type":"artist","uuid":"0dbf48cf-25ef-425d-905a-d62b172c9443"}
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