Viktor Stefano
type: MusicGroup
popularity: 3
followers: 53
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x18be34885b27e8a63775715ec996bc62d310ab9275690ac20410671b7ea67017
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954065
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954065
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b38b59e-0e06-4348-a681-6b2c9144080c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4b38b59e-0e06-4348-a681-6b2c9144080c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4b38b59e-0e06-4348-a681-6b2c9144080c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:10:43Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x18be34885b27e8a63775715ec996bc62d310ab9275690ac20410671b7ea67017","name":"Viktor Stefano","registered_at":"2026-06-16T15:46:03Z","symbol":"NIM1099216","token_address":"0x603dc65f6f2501dfe3b8384964001fe9d63a8c2a","type":"artist","uuid":"4b38b59e-0e06-4348-a681-6b2c9144080c"}
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 0x18be34885b27e8a63775715ec996bc62d310ab9275690ac20410671b7ea67017. 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/4b38b59e-0e06-4348-a681-6b2c9144080c.json and https://artists.proofprofile.net/proofs/artist/4b38b59e-0e06-4348-a681-6b2c9144080c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x18be34885b27e8a63775715ec996bc62d310ab9275690ac20410671b7ea67017","name":"Viktor Stefano","registered_at":"2026-06-16T15:46:03Z","symbol":"NIM1099216","token_address":"0x603dc65f6f2501dfe3b8384964001fe9d63a8c2a","type":"artist","uuid":"4b38b59e-0e06-4348-a681-6b2c9144080c"}
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