Maddie Jo
type: MusicGroup
popularity: 11
followers: 7
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe090d85d75cbcee1710ae3d917733e1a8c03023ae9b5be6277c0a777e05c4697
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/dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T13:40:30Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe090d85d75cbcee1710ae3d917733e1a8c03023ae9b5be6277c0a777e05c4697","name":"Maddie Jo","registered_at":"2026-06-15T03:35:52Z","symbol":"NIM0669552","token_address":"0x04aa7a63347d8cf3d6ec95cb1326dc64a71b2265","type":"artist","uuid":"dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878"}
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 0xe090d85d75cbcee1710ae3d917733e1a8c03023ae9b5be6277c0a777e05c4697. 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/dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878.json and https://artists.proofprofile.net/proofs/artist/dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T13:40:30Z
  text: {"copyright_id":"0xe090d85d75cbcee1710ae3d917733e1a8c03023ae9b5be6277c0a777e05c4697","name":"Maddie Jo","registered_at":"2026-06-15T03:35:52Z","symbol":"NIM0669552","token_address":"0x04aa7a63347d8cf3d6ec95cb1326dc64a71b2265","type":"artist","uuid":"dae6a6fc-db6b-41d6-a15e-e5a3dbe8c878"}