青春高校3年C組アイドル部
type: MusicGroup
popularity: 8
followers: 1679
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0303cb632450dd4337f95dd651c5b890cf87a9e0068bcbdc65d89f232301e31f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954631
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954631
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce5e56db-758c-4705-b0fd-10326899e132.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/ce5e56db-758c-4705-b0fd-10326899e132.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/ce5e56db-758c-4705-b0fd-10326899e132
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T02:46:24Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0303cb632450dd4337f95dd651c5b890cf87a9e0068bcbdc65d89f232301e31f","name":"青春高校3年C組アイドル部","registered_at":"2026-06-21T00:09:40Z","symbol":"NIM1758930","token_address":"0xc2abd9f0ebdbbefce7e2df79e067cd4b0e284a6e","type":"artist","uuid":"ce5e56db-758c-4705-b0fd-10326899e132"}
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 0x0303cb632450dd4337f95dd651c5b890cf87a9e0068bcbdc65d89f232301e31f. Chain 2 (Bitcoin): anchored in block 954631 (2026-06-21T02:46:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/ce5e56db-758c-4705-b0fd-10326899e132.json and https://artists.proofprofile.net/proofs/artist/ce5e56db-758c-4705-b0fd-10326899e132.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T02:46:24Z
  text: {"copyright_id":"0x0303cb632450dd4337f95dd651c5b890cf87a9e0068bcbdc65d89f232301e31f","name":"青春高校3年C組アイドル部","registered_at":"2026-06-21T00:09:40Z","symbol":"NIM1758930","token_address":"0xc2abd9f0ebdbbefce7e2df79e067cd4b0e284a6e","type":"artist","uuid":"ce5e56db-758c-4705-b0fd-10326899e132"}
album: 好きです
  type: MusicAlbum
  date published: 2020-07-22
album: 自分のことがわからない
  type: MusicAlbum
  date published: 2021-01-20