Piosenki Dla Dzieci Po Polsku
type: MusicGroup
genre: polka
popularity: 2
followers: 22
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x165a56704d7098f6c53260a445ed5c272cef85556dcb2c9807299bbff197598f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954650
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954650
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d969aad7-20b1-459a-a0f8-0458ab555d03.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/d969aad7-20b1-459a-a0f8-0458ab555d03.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/d969aad7-20b1-459a-a0f8-0458ab555d03
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T04:51:12Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x165a56704d7098f6c53260a445ed5c272cef85556dcb2c9807299bbff197598f","name":"Piosenki Dla Dzieci Po Polsku","registered_at":"2026-06-21T04:06:16Z","symbol":"NIM1814422","token_address":"0x55831ce2f6224984fa2c2c77279ccbfb60776609","type":"artist","uuid":"d969aad7-20b1-459a-a0f8-0458ab555d03"}
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 0x165a56704d7098f6c53260a445ed5c272cef85556dcb2c9807299bbff197598f. Chain 2 (Bitcoin): anchored in block 954650 (2026-06-21T04:51:12Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/d969aad7-20b1-459a-a0f8-0458ab555d03.json and https://artists.proofprofile.net/proofs/artist/d969aad7-20b1-459a-a0f8-0458ab555d03.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T04:51:12Z
  text: {"copyright_id":"0x165a56704d7098f6c53260a445ed5c272cef85556dcb2c9807299bbff197598f","name":"Piosenki Dla Dzieci Po Polsku","registered_at":"2026-06-21T04:06:16Z","symbol":"NIM1814422","token_address":"0x55831ce2f6224984fa2c2c77279ccbfb60776609","type":"artist","uuid":"d969aad7-20b1-459a-a0f8-0458ab555d03"}