Amber Sweeney
type: MusicGroup
genre: vocal jazz
popularity: 6
followers: 473
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x859f548d5c0e3895d7bd24d8ac8c9e0537822dd6989351b550539e13a76f7ad7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/effee7db-19e3-4c4f-be66-3f9cabd4c7e7.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/effee7db-19e3-4c4f-be66-3f9cabd4c7e7.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/effee7db-19e3-4c4f-be66-3f9cabd4c7e7
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x859f548d5c0e3895d7bd24d8ac8c9e0537822dd6989351b550539e13a76f7ad7","name":"Amber Sweeney","registered_at":"2026-06-21T12:48:07Z","symbol":"NIM1926753","token_address":"0x4da66b9e0a8eb279d502dc051c64209e8cc1193a","type":"artist","uuid":"effee7db-19e3-4c4f-be66-3f9cabd4c7e7"}
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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
  type: DigitalDocument
  encoding format: application/vnd.opentimestamps.ots
  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x859f548d5c0e3895d7bd24d8ac8c9e0537822dd6989351b550539e13a76f7ad7. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/effee7db-19e3-4c4f-be66-3f9cabd4c7e7.json and https://artists.proofprofile.net/proofs/artist/effee7db-19e3-4c4f-be66-3f9cabd4c7e7.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0x859f548d5c0e3895d7bd24d8ac8c9e0537822dd6989351b550539e13a76f7ad7","name":"Amber Sweeney","registered_at":"2026-06-21T12:48:07Z","symbol":"NIM1926753","token_address":"0x4da66b9e0a8eb279d502dc051c64209e8cc1193a","type":"artist","uuid":"effee7db-19e3-4c4f-be66-3f9cabd4c7e7"}
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