Marcus Kuno
type: MusicGroup
genre: schlager
genre: schlagerparty
popularity: 4
followers: 507
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb8e5d0fe1d73841c8b126ab2eb62f1f2f3cc1698d9f56b3d74f7926088913d3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954008
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954008
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/324a46b9-f6b2-47c7-9f75-8584a374b801.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/324a46b9-f6b2-47c7-9f75-8584a374b801.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/324a46b9-f6b2-47c7-9f75-8584a374b801
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T21:31:27Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb8e5d0fe1d73841c8b126ab2eb62f1f2f3cc1698d9f56b3d74f7926088913d3c","name":"Marcus Kuno","registered_at":"2026-06-16T07:23:56Z","symbol":"NIM0979399","token_address":"0x45d42e385902afc9a704f25c5f068b61ce4fa10c","type":"artist","uuid":"324a46b9-f6b2-47c7-9f75-8584a374b801"}
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 0xb8e5d0fe1d73841c8b126ab2eb62f1f2f3cc1698d9f56b3d74f7926088913d3c. 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/324a46b9-f6b2-47c7-9f75-8584a374b801.json and https://artists.proofprofile.net/proofs/artist/324a46b9-f6b2-47c7-9f75-8584a374b801.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0xb8e5d0fe1d73841c8b126ab2eb62f1f2f3cc1698d9f56b3d74f7926088913d3c","name":"Marcus Kuno","registered_at":"2026-06-16T07:23:56Z","symbol":"NIM0979399","token_address":"0x45d42e385902afc9a704f25c5f068b61ce4fa10c","type":"artist","uuid":"324a46b9-f6b2-47c7-9f75-8584a374b801"}
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