Collegium Musicum Riga
type: MusicGroup
popularity: 3
followers: 104
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x529e43a94dd3b0743bd44494db5b65b4307c8ae7f88cd34b5364b71a9010ccd2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954513
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954513
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f27953b-85c3-4c69-982f-20b0ee973a71.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/9f27953b-85c3-4c69-982f-20b0ee973a71.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/9f27953b-85c3-4c69-982f-20b0ee973a71
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T06:31:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x529e43a94dd3b0743bd44494db5b65b4307c8ae7f88cd34b5364b71a9010ccd2","name":"Collegium Musicum Riga","registered_at":"2026-06-20T05:10:40Z","symbol":"NIM1521492","token_address":"0x8af4815c1d63b9fbc1e0a870ee521d81901a86d7","type":"artist","uuid":"9f27953b-85c3-4c69-982f-20b0ee973a71"}
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 0x529e43a94dd3b0743bd44494db5b65b4307c8ae7f88cd34b5364b71a9010ccd2. Chain 2 (Bitcoin): anchored in block 954513 (2026-06-20T06:31:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/9f27953b-85c3-4c69-982f-20b0ee973a71.json and https://artists.proofprofile.net/proofs/artist/9f27953b-85c3-4c69-982f-20b0ee973a71.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T06:31:18Z
  text: {"copyright_id":"0x529e43a94dd3b0743bd44494db5b65b4307c8ae7f88cd34b5364b71a9010ccd2","name":"Collegium Musicum Riga","registered_at":"2026-06-20T05:10:40Z","symbol":"NIM1521492","token_address":"0x8af4815c1d63b9fbc1e0a870ee521d81901a86d7","type":"artist","uuid":"9f27953b-85c3-4c69-982f-20b0ee973a71"}
album: Joyful Bach
  type: MusicAlbum
  date published: 2024-04-04