Michael Rosen
type: MusicGroup
description: Michael Wayne Rosen (born 7 May 1946) is an English children's author, poet, presenter, political columnist, broadcaster, activist, and academic, who is a professor of children's literature in the Dep
popularity: 18
followers: 1025
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xecb70f13f6e789b46c68f57448de958fc1caa61b50a0b71e2a2285568dd8a9a9
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953807
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953807
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1de1250-bb1e-4cc5-93ad-27a52e9585ad.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f1de1250-bb1e-4cc5-93ad-27a52e9585ad.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f1de1250-bb1e-4cc5-93ad-27a52e9585ad
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-15T16:39:18Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xecb70f13f6e789b46c68f57448de958fc1caa61b50a0b71e2a2285568dd8a9a9","name":"Michael Rosen","registered_at":"2026-06-15T05:54:38Z","symbol":"NIM0702681","token_address":"0xc97d29672f75f827ffe6be14920207bee610a27b","type":"artist","uuid":"f1de1250-bb1e-4cc5-93ad-27a52e9585ad"}
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 0xecb70f13f6e789b46c68f57448de958fc1caa61b50a0b71e2a2285568dd8a9a9. Chain 2 (Bitcoin): anchored in block 953807 (2026-06-15T16:39:18Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f1de1250-bb1e-4cc5-93ad-27a52e9585ad.json and https://artists.proofprofile.net/proofs/artist/f1de1250-bb1e-4cc5-93ad-27a52e9585ad.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-15T16:39:18Z
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