Principal
type: MusicGroup
description: Principal may refer to: Title or rank Principal (academia), the chief executive of a university Principal (education), the head of a school Principal (civil service) or principal officer, the se
popularity: 11
followers: 19
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x36ca16c6882e296ec71e3201991f1d8e7f4983e69c2e9c81af76deb39bb1192f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953791
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953791
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e0883788-8617-4db6-b732-ccf3e2c49454.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/e0883788-8617-4db6-b732-ccf3e2c49454.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/e0883788-8617-4db6-b732-ccf3e2c49454
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
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 0x36ca16c6882e296ec71e3201991f1d8e7f4983e69c2e9c81af76deb39bb1192f. Chain 2 (Bitcoin): anchored in block 953791 (2026-06-15T13:40:30Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/e0883788-8617-4db6-b732-ccf3e2c49454.json and https://artists.proofprofile.net/proofs/artist/e0883788-8617-4db6-b732-ccf3e2c49454.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
album: Ngyabheja Ngemama
  type: MusicAlbum
  date published: 2025-06-17