Michele Grassi
type: MusicGroup
popularity: 15
followers: 18
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xcd02e87b7ed39c9d7de6752729a3ab003fe7ad67e4aef5eda5af960a54d51ed2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953648
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953648
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/44183044-0162-4659-b11b-8dc6ecd4bbb1.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/44183044-0162-4659-b11b-8dc6ecd4bbb1.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/44183044-0162-4659-b11b-8dc6ecd4bbb1
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T15:20:52Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xcd02e87b7ed39c9d7de6752729a3ab003fe7ad67e4aef5eda5af960a54d51ed2","name":"Michele Grassi","registered_at":"2026-06-14T11:38:03Z","symbol":"NIM0440986","token_address":"0xc392033bd034596ee0cde80e5fe6c9467fe10e76","type":"artist","uuid":"44183044-0162-4659-b11b-8dc6ecd4bbb1"}
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 0xcd02e87b7ed39c9d7de6752729a3ab003fe7ad67e4aef5eda5af960a54d51ed2. Chain 2 (Bitcoin): anchored in block 953648 (2026-06-14T15:20:52Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/44183044-0162-4659-b11b-8dc6ecd4bbb1.json and https://artists.proofprofile.net/proofs/artist/44183044-0162-4659-b11b-8dc6ecd4bbb1.ots, the client at https://opentimestamps.org runs `ots verify -f record.json proof.ots`.
  date published: 2026-06-14T15:20:52Z
  text: {"copyright_id":"0xcd02e87b7ed39c9d7de6752729a3ab003fe7ad67e4aef5eda5af960a54d51ed2","name":"Michele Grassi","registered_at":"2026-06-14T11:38:03Z","symbol":"NIM0440986","token_address":"0xc392033bd034596ee0cde80e5fe6c9467fe10e76","type":"artist","uuid":"44183044-0162-4659-b11b-8dc6ecd4bbb1"}
album: L'effimero
  type: MusicAlbum
  date published: 2024-09-14