Jens Smedman
type: MusicGroup
popularity: 4
followers: 261
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x75602b372276d7e297b2e53c26ef98c430fb9f11cebddaca35f3cfee2a3a2afa
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954342
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954342
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8675702b-2810-4f4f-a14c-e447dc755314.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/8675702b-2810-4f4f-a14c-e447dc755314.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/8675702b-2810-4f4f-a14c-e447dc755314
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-19T03:22:39Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x75602b372276d7e297b2e53c26ef98c430fb9f11cebddaca35f3cfee2a3a2afa","name":"Jens Smedman","registered_at":"2026-06-17T12:33:09Z","symbol":"NIM1396700","token_address":"0x4ab5719ca688c7085f48a7f7dea0ad32e736df23","type":"artist","uuid":"8675702b-2810-4f4f-a14c-e447dc755314"}
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 0x75602b372276d7e297b2e53c26ef98c430fb9f11cebddaca35f3cfee2a3a2afa. Chain 2 (Bitcoin): anchored in block 954342 (2026-06-19T03:22:39Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/8675702b-2810-4f4f-a14c-e447dc755314.json and https://artists.proofprofile.net/proofs/artist/8675702b-2810-4f4f-a14c-e447dc755314.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-19T03:22:39Z
  text: {"copyright_id":"0x75602b372276d7e297b2e53c26ef98c430fb9f11cebddaca35f3cfee2a3a2afa","name":"Jens Smedman","registered_at":"2026-06-17T12:33:09Z","symbol":"NIM1396700","token_address":"0x4ab5719ca688c7085f48a7f7dea0ad32e736df23","type":"artist","uuid":"8675702b-2810-4f4f-a14c-e447dc755314"}
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