exä
type: MusicGroup
genre: finnish hip hop
popularity: 14
followers: 156
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xca6371f5b8ba1cfad57e645c31781ca198ae2e1667adc97e9d7a8054adc6bd3a
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953741
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953741
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a145da24-7079-48c0-bb0a-ddc5fa1011c8.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/a145da24-7079-48c0-bb0a-ddc5fa1011c8.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/a145da24-7079-48c0-bb0a-ddc5fa1011c8
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T04:44:49Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xca6371f5b8ba1cfad57e645c31781ca198ae2e1667adc97e9d7a8054adc6bd3a","name":"exä","registered_at":"2026-06-14T21:21:19Z","symbol":"NIM0580099","token_address":"0x31e0944d411a2c754312caf60f0e488c4190b69b","type":"artist","uuid":"a145da24-7079-48c0-bb0a-ddc5fa1011c8"}
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 0xca6371f5b8ba1cfad57e645c31781ca198ae2e1667adc97e9d7a8054adc6bd3a. Chain 2 (Bitcoin): anchored in block 953770 (2026-06-15T09:50:11Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/a145da24-7079-48c0-bb0a-ddc5fa1011c8.json and https://artists.proofprofile.net/proofs/artist/a145da24-7079-48c0-bb0a-ddc5fa1011c8.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T09:50:11Z
  text: {"copyright_id":"0xca6371f5b8ba1cfad57e645c31781ca198ae2e1667adc97e9d7a8054adc6bd3a","name":"exä","registered_at":"2026-06-14T21:21:19Z","symbol":"NIM0580099","token_address":"0x31e0944d411a2c754312caf60f0e488c4190b69b","type":"artist","uuid":"a145da24-7079-48c0-bb0a-ddc5fa1011c8"}
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