Michael Massaro
type: MusicGroup
genre: smooth jazz
popularity: 2
followers: 169
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0xf8ed279968138bf815d735cfab448b07d152facdb002c7c8ed76818c6d90cac1
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 954784
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954784
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9a13691-acf7-4900-81b2-45312a758d1c.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/f9a13691-acf7-4900-81b2-45312a758d1c.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/f9a13691-acf7-4900-81b2-45312a758d1c
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-22T02:53:59Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0xf8ed279968138bf815d735cfab448b07d152facdb002c7c8ed76818c6d90cac1","name":"Michael Massaro","registered_at":"2026-06-21T16:40:29Z","symbol":"NIM1975555","token_address":"0x91b92e6a22650799ad25478e5e83e87da17b51a4","type":"artist","uuid":"f9a13691-acf7-4900-81b2-45312a758d1c"}
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 0xf8ed279968138bf815d735cfab448b07d152facdb002c7c8ed76818c6d90cac1. Chain 2 (Bitcoin): anchored in block 954784 (2026-06-22T02:53:59Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/f9a13691-acf7-4900-81b2-45312a758d1c.json and https://artists.proofprofile.net/proofs/artist/f9a13691-acf7-4900-81b2-45312a758d1c.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-22T02:53:59Z
  text: {"copyright_id":"0xf8ed279968138bf815d735cfab448b07d152facdb002c7c8ed76818c6d90cac1","name":"Michael Massaro","registered_at":"2026-06-21T16:40:29Z","symbol":"NIM1975555","token_address":"0x91b92e6a22650799ad25478e5e83e87da17b51a4","type":"artist","uuid":"f9a13691-acf7-4900-81b2-45312a758d1c"}
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