Three Little Kittens
type: MusicGroup
genre: lullaby
description: "Three Little Kittens" is an English language nursery rhyme, in all likelihood with roots in the British folk tradition. The rhyme as published today however is a sophisticated piece usually attribute
popularity: 5
followers: 121
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xe9f2214b553f95de336a8be071cad7de0a38a4e06bb408f74bec3e6204d6041f
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954705
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954705
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0def468-0aef-43a2-babf-1d03621394bd.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f0def468-0aef-43a2-babf-1d03621394bd.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f0def468-0aef-43a2-babf-1d03621394bd
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-21T13:42:37Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xe9f2214b553f95de336a8be071cad7de0a38a4e06bb408f74bec3e6204d6041f","name":"Three Little Kittens","registered_at":"2026-06-21T13:01:32Z","symbol":"NIM1930333","token_address":"0x47f52943908c756b541e304660545fec69bc9d98","type":"artist","uuid":"f0def468-0aef-43a2-babf-1d03621394bd"}
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 0xe9f2214b553f95de336a8be071cad7de0a38a4e06bb408f74bec3e6204d6041f. Chain 2 (Bitcoin): anchored in block 954705 (2026-06-21T13:42:37Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f0def468-0aef-43a2-babf-1d03621394bd.json and https://artists.proofprofile.net/proofs/artist/f0def468-0aef-43a2-babf-1d03621394bd.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-21T13:42:37Z
  text: {"copyright_id":"0xe9f2214b553f95de336a8be071cad7de0a38a4e06bb408f74bec3e6204d6041f","name":"Three Little Kittens","registered_at":"2026-06-21T13:01:32Z","symbol":"NIM1930333","token_address":"0x47f52943908c756b541e304660545fec69bc9d98","type":"artist","uuid":"f0def468-0aef-43a2-babf-1d03621394bd"}
album: Baby Lullabies, Nursery Rhymes and Sleep Music for Children
  type: MusicAlbum
  date published: 2021-05-21
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