Sinterklaas Journaal
type: MusicGroup
popularity: 4
followers: 4852
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0b9b39b516be6b6904206732b79de096ba57f259f12c1b393e8fac6888384285
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954693
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954693
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8bfc37f-c0cf-4b25-913d-5ff68db69b63.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e8bfc37f-c0cf-4b25-913d-5ff68db69b63.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e8bfc37f-c0cf-4b25-913d-5ff68db69b63
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T11:50:32Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0b9b39b516be6b6904206732b79de096ba57f259f12c1b393e8fac6888384285","name":"Sinterklaas Journaal","registered_at":"2026-06-21T09:24:19Z","symbol":"NIM1887669","token_address":"0x54aa71bb1c1a712a9a8c897dc6a2954f5a19b366","type":"artist","uuid":"e8bfc37f-c0cf-4b25-913d-5ff68db69b63"}
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 0x0b9b39b516be6b6904206732b79de096ba57f259f12c1b393e8fac6888384285. Chain 2 (Bitcoin): anchored in block 954693 (2026-06-21T11:50:32Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e8bfc37f-c0cf-4b25-913d-5ff68db69b63.json and https://artists.proofprofile.net/proofs/artist/e8bfc37f-c0cf-4b25-913d-5ff68db69b63.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T11:50:32Z
  text: {"copyright_id":"0x0b9b39b516be6b6904206732b79de096ba57f259f12c1b393e8fac6888384285","name":"Sinterklaas Journaal","registered_at":"2026-06-21T09:24:19Z","symbol":"NIM1887669","token_address":"0x54aa71bb1c1a712a9a8c897dc6a2954f5a19b366","type":"artist","uuid":"e8bfc37f-c0cf-4b25-913d-5ff68db69b63"}
album: Sinterklaas Journaal Het Meezing Moevie Meezing Album
  type: MusicAlbum
  date published: 2020-11-13