3.5 PROPOVEDNIK
type: MusicGroup
genre: horrorcore
genre: memphis rap
popularity: 7
followers: 141
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcb36f1b7bf0cbc5544253f672c8bd97598b8b9e7b9f21f4c483aa0333318bc3c
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954742
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954742
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd72a45e-4339-483b-bc63-8d298b93bbb5.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/fd72a45e-4339-483b-bc63-8d298b93bbb5.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/fd72a45e-4339-483b-bc63-8d298b93bbb5
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T20:46:40Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcb36f1b7bf0cbc5544253f672c8bd97598b8b9e7b9f21f4c483aa0333318bc3c","name":"3.5 PROPOVEDNIK","registered_at":"2026-06-21T17:59:20Z","symbol":"NIM1994871","token_address":"0x19a23a3f0c8cec46b08c941b405ae3daaea376d9","type":"artist","uuid":"fd72a45e-4339-483b-bc63-8d298b93bbb5"}
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 0xcb36f1b7bf0cbc5544253f672c8bd97598b8b9e7b9f21f4c483aa0333318bc3c. Chain 2 (Bitcoin): anchored in block 954742 (2026-06-21T20:46:40Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/fd72a45e-4339-483b-bc63-8d298b93bbb5.json and https://artists.proofprofile.net/proofs/artist/fd72a45e-4339-483b-bc63-8d298b93bbb5.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T20:46:40Z
  text: {"copyright_id":"0xcb36f1b7bf0cbc5544253f672c8bd97598b8b9e7b9f21f4c483aa0333318bc3c","name":"3.5 PROPOVEDNIK","registered_at":"2026-06-21T17:59:20Z","symbol":"NIM1994871","token_address":"0x19a23a3f0c8cec46b08c941b405ae3daaea376d9","type":"artist","uuid":"fd72a45e-4339-483b-bc63-8d298b93bbb5"}
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