黒魔
type: MusicGroup
popularity: 18
followers: 1478
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8eb263df7e28ef5702d2ee6ab3f0343e55ebbfaf61648bcc22dcf6a1abc02476
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953758
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953758
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b403e1c6-cf9b-4496-bd4e-b3929e8ccc70.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b403e1c6-cf9b-4496-bd4e-b3929e8ccc70.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b403e1c6-cf9b-4496-bd4e-b3929e8ccc70
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T07:48:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8eb263df7e28ef5702d2ee6ab3f0343e55ebbfaf61648bcc22dcf6a1abc02476","name":"黒魔","registered_at":"2026-06-14T23:27:35Z","symbol":"NIM0610234","token_address":"0x96e547b47a60d974ce2ca5e7f4dd3bc365fdaddd","type":"artist","uuid":"b403e1c6-cf9b-4496-bd4e-b3929e8ccc70"}
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 0x8eb263df7e28ef5702d2ee6ab3f0343e55ebbfaf61648bcc22dcf6a1abc02476. Chain 2 (Bitcoin): anchored in block 953758 (2026-06-15T07:48:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b403e1c6-cf9b-4496-bd4e-b3929e8ccc70.json and https://artists.proofprofile.net/proofs/artist/b403e1c6-cf9b-4496-bd4e-b3929e8ccc70.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T07:48:25Z
  text: {"copyright_id":"0x8eb263df7e28ef5702d2ee6ab3f0343e55ebbfaf61648bcc22dcf6a1abc02476","name":"黒魔","registered_at":"2026-06-14T23:27:35Z","symbol":"NIM0610234","token_address":"0x96e547b47a60d974ce2ca5e7f4dd3bc365fdaddd","type":"artist","uuid":"b403e1c6-cf9b-4496-bd4e-b3929e8ccc70"}
album: ニーヨンアワーズ！
  type: MusicAlbum
  date published: 2015-04-25
album: Cait Sith Carnival
  type: MusicAlbum
  date published: 2025-08-08