Malý král Artuš - Klasická hudba pro děti
type: MusicGroup
popularity: 8
followers: 4
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x350c91311882f2d101cf7e9ee9c0a299c85879d6c6c2232fafb50b4402c98083
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/3d393e14-b57e-46ef-9e9a-bb3215a84c64.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/3d393e14-b57e-46ef-9e9a-bb3215a84c64.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/3d393e14-b57e-46ef-9e9a-bb3215a84c64
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T02:39:28Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x350c91311882f2d101cf7e9ee9c0a299c85879d6c6c2232fafb50b4402c98083","name":"Malý král Artuš - Klasická hudba pro děti","registered_at":"2026-06-16T10:52:40Z","symbol":"NIM1029222","token_address":"0xdc405ec9f976d5771c842f73c110e32e1c9bbfaf","type":"artist","uuid":"3d393e14-b57e-46ef-9e9a-bb3215a84c64"}
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 0x350c91311882f2d101cf7e9ee9c0a299c85879d6c6c2232fafb50b4402c98083. 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/3d393e14-b57e-46ef-9e9a-bb3215a84c64.json and https://artists.proofprofile.net/proofs/artist/3d393e14-b57e-46ef-9e9a-bb3215a84c64.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x350c91311882f2d101cf7e9ee9c0a299c85879d6c6c2232fafb50b4402c98083","name":"Malý král Artuš - Klasická hudba pro děti","registered_at":"2026-06-16T10:52:40Z","symbol":"NIM1029222","token_address":"0xdc405ec9f976d5771c842f73c110e32e1c9bbfaf","type":"artist","uuid":"3d393e14-b57e-46ef-9e9a-bb3215a84c64"}
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