Samuel Tensingh
type: MusicGroup
popularity: 11
followers: 373
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x7d21555e2838468efa7049a2109acf1f032140096c58e60e30762d4b6f4f4772
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953695
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953695
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71c9e29a-b7aa-483b-a07b-98c12aae77ca.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/71c9e29a-b7aa-483b-a07b-98c12aae77ca.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/71c9e29a-b7aa-483b-a07b-98c12aae77ca
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T21:42:01Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x7d21555e2838468efa7049a2109acf1f032140096c58e60e30762d4b6f4f4772","name":"Samuel Tensingh","registered_at":"2026-06-14T16:26:05Z","symbol":"NIM0509727","token_address":"0x6315ece6ddd2845f4bf5c3315bf7cd6f81f26479","type":"artist","uuid":"71c9e29a-b7aa-483b-a07b-98c12aae77ca"}
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 0x7d21555e2838468efa7049a2109acf1f032140096c58e60e30762d4b6f4f4772. Chain 2 (Bitcoin): anchored in block 953697 (2026-06-14T21:49:28Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/71c9e29a-b7aa-483b-a07b-98c12aae77ca.json and https://artists.proofprofile.net/proofs/artist/71c9e29a-b7aa-483b-a07b-98c12aae77ca.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T21:49:28Z
  text: {"copyright_id":"0x7d21555e2838468efa7049a2109acf1f032140096c58e60e30762d4b6f4f4772","name":"Samuel Tensingh","registered_at":"2026-06-14T16:26:05Z","symbol":"NIM0509727","token_address":"0x6315ece6ddd2845f4bf5c3315bf7cd6f81f26479","type":"artist","uuid":"71c9e29a-b7aa-483b-a07b-98c12aae77ca"}
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