Gråvis
type: MusicGroup
genre: funk carioca
genre: russelåter
popularity: 3
followers: 37
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6976a0d4dc3784115d3d132a256dc59f2d5d0374b7ff2dbd8c9f9dd9708574b4
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/762b6df4-8b34-4b3d-a913-e931ef88f4ab.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/762b6df4-8b34-4b3d-a913-e931ef88f4ab.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/762b6df4-8b34-4b3d-a913-e931ef88f4ab
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x6976a0d4dc3784115d3d132a256dc59f2d5d0374b7ff2dbd8c9f9dd9708574b4","name":"Gråvis","registered_at":"2026-06-17T06:50:12Z","symbol":"NIM1314956","token_address":"0xf8fc417cbdaf338ce8446461a24f4b663288fb81","type":"artist","uuid":"762b6df4-8b34-4b3d-a913-e931ef88f4ab"}
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 0x6976a0d4dc3784115d3d132a256dc59f2d5d0374b7ff2dbd8c9f9dd9708574b4. 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/762b6df4-8b34-4b3d-a913-e931ef88f4ab.json and https://artists.proofprofile.net/proofs/artist/762b6df4-8b34-4b3d-a913-e931ef88f4ab.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x6976a0d4dc3784115d3d132a256dc59f2d5d0374b7ff2dbd8c9f9dd9708574b4","name":"Gråvis","registered_at":"2026-06-17T06:50:12Z","symbol":"NIM1314956","token_address":"0xf8fc417cbdaf338ce8446461a24f4b663288fb81","type":"artist","uuid":"762b6df4-8b34-4b3d-a913-e931ef88f4ab"}
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