貓Mao
type: MusicGroup
popularity: 5
followers: 11
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x90f43ff3577cdf841edae34a150c4d6d77de77305e336c8a8e43e1d02f61d668
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953895
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953895
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f3caf87-2429-483e-a34f-7547f2d50989.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/0f3caf87-2429-483e-a34f-7547f2d50989.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/0f3caf87-2429-483e-a34f-7547f2d50989
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T05:46:35Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x90f43ff3577cdf841edae34a150c4d6d77de77305e336c8a8e43e1d02f61d668","name":"貓Mao","registered_at":"2026-06-15T18:49:29Z","symbol":"NIM0799299","token_address":"0xb13cc42bda7b10efb38832c76556421e91d49c22","type":"artist","uuid":"0f3caf87-2429-483e-a34f-7547f2d50989"}
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 0x90f43ff3577cdf841edae34a150c4d6d77de77305e336c8a8e43e1d02f61d668. Chain 2 (Bitcoin): anchored in block 953895 (2026-06-16T05:46:35Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/0f3caf87-2429-483e-a34f-7547f2d50989.json and https://artists.proofprofile.net/proofs/artist/0f3caf87-2429-483e-a34f-7547f2d50989.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T05:46:35Z
  text: {"copyright_id":"0x90f43ff3577cdf841edae34a150c4d6d77de77305e336c8a8e43e1d02f61d668","name":"貓Mao","registered_at":"2026-06-15T18:49:29Z","symbol":"NIM0799299","token_address":"0xb13cc42bda7b10efb38832c76556421e91d49c22","type":"artist","uuid":"0f3caf87-2429-483e-a34f-7547f2d50989"}
album: Lost in Love
  type: MusicAlbum
  date published: 2024-11-17
album: 座客
  type: MusicAlbum
  date published: 2025-02-10