Perfect Sky
type: MusicGroup
genre: hardcore
genre: hardcore punk
popularity: 3
followers: 502
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xb85650f7304f30118af267b33029262f42a803a90df640bde75e36f3734e1c4e
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953968
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953968
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28686f44-fa10-477e-b4ab-46316502ea96.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/28686f44-fa10-477e-b4ab-46316502ea96.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/28686f44-fa10-477e-b4ab-46316502ea96
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T16:01:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xb85650f7304f30118af267b33029262f42a803a90df640bde75e36f3734e1c4e","name":"Perfect Sky","registered_at":"2026-06-16T03:34:24Z","symbol":"NIM0924573","token_address":"0x52c63e5c28810f13ef69d38cd39684bb2c10d560","type":"artist","uuid":"28686f44-fa10-477e-b4ab-46316502ea96"}
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 0xb85650f7304f30118af267b33029262f42a803a90df640bde75e36f3734e1c4e. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/28686f44-fa10-477e-b4ab-46316502ea96.json and https://artists.proofprofile.net/proofs/artist/28686f44-fa10-477e-b4ab-46316502ea96.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0xb85650f7304f30118af267b33029262f42a803a90df640bde75e36f3734e1c4e","name":"Perfect Sky","registered_at":"2026-06-16T03:34:24Z","symbol":"NIM0924573","token_address":"0x52c63e5c28810f13ef69d38cd39684bb2c10d560","type":"artist","uuid":"28686f44-fa10-477e-b4ab-46316502ea96"}
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