Gui Tosin
type: MusicGroup
popularity: 17
followers: 241
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xce1af94bc9f4408ac2c71c8d0f2e8164d0a3b780b2b8569b7e46e4950d7acfb6
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953657
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953657
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f35020a-35d7-4cf1-a3b6-a35f114f5f3e.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/4f35020a-35d7-4cf1-a3b6-a35f114f5f3e.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/4f35020a-35d7-4cf1-a3b6-a35f114f5f3e
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-14T16:43:25Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xce1af94bc9f4408ac2c71c8d0f2e8164d0a3b780b2b8569b7e46e4950d7acfb6","name":"Gui Tosin","registered_at":"2026-06-14T12:45:00Z","symbol":"NIM0456959","token_address":"0xd180c8054e8f5e4f4858253e513eaee69c5e3c77","type":"artist","uuid":"4f35020a-35d7-4cf1-a3b6-a35f114f5f3e"}
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 0xce1af94bc9f4408ac2c71c8d0f2e8164d0a3b780b2b8569b7e46e4950d7acfb6. Chain 2 (Bitcoin): anchored in block 953657 (2026-06-14T16:43:25Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/4f35020a-35d7-4cf1-a3b6-a35f114f5f3e.json and https://artists.proofprofile.net/proofs/artist/4f35020a-35d7-4cf1-a3b6-a35f114f5f3e.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-14T16:43:25Z
  text: {"copyright_id":"0xce1af94bc9f4408ac2c71c8d0f2e8164d0a3b780b2b8569b7e46e4950d7acfb6","name":"Gui Tosin","registered_at":"2026-06-14T12:45:00Z","symbol":"NIM0456959","token_address":"0xd180c8054e8f5e4f4858253e513eaee69c5e3c77","type":"artist","uuid":"4f35020a-35d7-4cf1-a3b6-a35f114f5f3e"}
album: Céu Cinza
  type: MusicAlbum
  date published: 2021-08-30
album: Black (Acoustic)
  type: MusicAlbum
  date published: 2025-08-03