Sinan Yıldırım
type: MusicGroup
genre: arabesk
genre: turkish pop
popularity: 4
followers: 630
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x8670142174235870968b4a7dcaccbd4b639b6887a45a4b74fefd7b463b1c5882
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953903
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953903
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14dc6d7e-f7cf-4b15-aa89-e246da96fc63.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/14dc6d7e-f7cf-4b15-aa89-e246da96fc63.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/14dc6d7e-f7cf-4b15-aa89-e246da96fc63
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:05:05Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x8670142174235870968b4a7dcaccbd4b639b6887a45a4b74fefd7b463b1c5882","name":"Sinan Yıldırım","registered_at":"2026-06-15T20:51:15Z","symbol":"NIM0828329","token_address":"0x57e4203c83abade1fe744458c91f90adbee25fb4","type":"artist","uuid":"14dc6d7e-f7cf-4b15-aa89-e246da96fc63"}
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 0x8670142174235870968b4a7dcaccbd4b639b6887a45a4b74fefd7b463b1c5882. Chain 2 (Bitcoin): anchored in block 953903 (2026-06-16T07:05:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/14dc6d7e-f7cf-4b15-aa89-e246da96fc63.json and https://artists.proofprofile.net/proofs/artist/14dc6d7e-f7cf-4b15-aa89-e246da96fc63.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-16T07:05:05Z
  text: {"copyright_id":"0x8670142174235870968b4a7dcaccbd4b639b6887a45a4b74fefd7b463b1c5882","name":"Sinan Yıldırım","registered_at":"2026-06-15T20:51:15Z","symbol":"NIM0828329","token_address":"0x57e4203c83abade1fe744458c91f90adbee25fb4","type":"artist","uuid":"14dc6d7e-f7cf-4b15-aa89-e246da96fc63"}
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  type: MusicAlbum
  date published: 2018-04-20
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