dj hf
type: MusicGroup
popularity: 8
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x9b871e281e525546612eefca41b0cfaf42a11d269570fca8ba1f0612a54e75ea
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954580
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954580
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b69b254a-0ad5-47f7-a9fd-607511d74f7d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b69b254a-0ad5-47f7-a9fd-607511d74f7d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b69b254a-0ad5-47f7-a9fd-607511d74f7d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T17:48:00Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x9b871e281e525546612eefca41b0cfaf42a11d269570fca8ba1f0612a54e75ea","name":"dj hf","registered_at":"2026-06-20T14:50:33Z","symbol":"NIM1634932","token_address":"0x87c4ecc2e250943cbcb5d7a1561a6b552918f500","type":"artist","uuid":"b69b254a-0ad5-47f7-a9fd-607511d74f7d"}
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 0x9b871e281e525546612eefca41b0cfaf42a11d269570fca8ba1f0612a54e75ea. Chain 2 (Bitcoin): anchored in block 954580 (2026-06-20T17:48:00Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b69b254a-0ad5-47f7-a9fd-607511d74f7d.json and https://artists.proofprofile.net/proofs/artist/b69b254a-0ad5-47f7-a9fd-607511d74f7d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T17:48:00Z
  text: {"copyright_id":"0x9b871e281e525546612eefca41b0cfaf42a11d269570fca8ba1f0612a54e75ea","name":"dj hf","registered_at":"2026-06-20T14:50:33Z","symbol":"NIM1634932","token_address":"0x87c4ecc2e250943cbcb5d7a1561a6b552918f500","type":"artist","uuid":"b69b254a-0ad5-47f7-a9fd-607511d74f7d"}