Алькасар
type: MusicGroup
genre: power metal
popularity: 12
followers: 984
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0c1479758f22170c51d04ed688af444e9d5175077c1051a881dc6e9e9b03ff10
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953770
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953770
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4c4b08e-81c8-44c5-a971-99a815f9c96a.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b4c4b08e-81c8-44c5-a971-99a815f9c96a.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b4c4b08e-81c8-44c5-a971-99a815f9c96a
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T09:50:11Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0c1479758f22170c51d04ed688af444e9d5175077c1051a881dc6e9e9b03ff10","name":"Алькасар","registered_at":"2026-06-14T23:28:05Z","symbol":"NIM0610351","token_address":"0x9c5c0be1b334d686cd9577d5413484fc1e9f1ae2","type":"artist","uuid":"b4c4b08e-81c8-44c5-a971-99a815f9c96a"}
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 0x0c1479758f22170c51d04ed688af444e9d5175077c1051a881dc6e9e9b03ff10. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b4c4b08e-81c8-44c5-a971-99a815f9c96a.json and https://artists.proofprofile.net/proofs/artist/b4c4b08e-81c8-44c5-a971-99a815f9c96a.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0x0c1479758f22170c51d04ed688af444e9d5175077c1051a881dc6e9e9b03ff10","name":"Алькасар","registered_at":"2026-06-14T23:28:05Z","symbol":"NIM0610351","token_address":"0x9c5c0be1b334d686cd9577d5413484fc1e9f1ae2","type":"artist","uuid":"b4c4b08e-81c8-44c5-a971-99a815f9c96a"}
album: Алькасар
  type: MusicAlbum
  date published: 2014-06-06
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