Tufan derince
type: MusicGroup
description: Tufan Derince (born 1987) is a Kurdish folk musician. He is currently based in Rotterdam in the Netherlands. Biografie Tufan Derince was born in 1987 and began playing music at weddings at the age
popularity: 4
followers: 3
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x2d27dfa254ace97d26e57824144ac545449aec0b0f60b7a6487bd9ac1e54abe0
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953888
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953888
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0d9cd402-3e80-4249-b1b9-6c0e23945255.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0d9cd402-3e80-4249-b1b9-6c0e23945255.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0d9cd402-3e80-4249-b1b9-6c0e23945255
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T04:55:23Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x2d27dfa254ace97d26e57824144ac545449aec0b0f60b7a6487bd9ac1e54abe0","name":"Tufan derince","registered_at":"2026-06-15T18:19:45Z","symbol":"NIM0792208","token_address":"0x81c890aa9f54314d89592fe2a497d66236f28cb6","type":"artist","uuid":"0d9cd402-3e80-4249-b1b9-6c0e23945255"}
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 0x2d27dfa254ace97d26e57824144ac545449aec0b0f60b7a6487bd9ac1e54abe0. Chain 2 (Bitcoin): anchored in block 953888 (2026-06-16T04:55:23Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0d9cd402-3e80-4249-b1b9-6c0e23945255.json and https://artists.proofprofile.net/proofs/artist/0d9cd402-3e80-4249-b1b9-6c0e23945255.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T04:55:23Z
  text: {"copyright_id":"0x2d27dfa254ace97d26e57824144ac545449aec0b0f60b7a6487bd9ac1e54abe0","name":"Tufan derince","registered_at":"2026-06-15T18:19:45Z","symbol":"NIM0792208","token_address":"0x81c890aa9f54314d89592fe2a497d66236f28cb6","type":"artist","uuid":"0d9cd402-3e80-4249-b1b9-6c0e23945255"}