Melanie Massa
type: MusicGroup
genre: minimal techno
popularity: 3
followers: 465
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x593b07c38d8ae6775eed44c3ad71e91e85a1c1767fd0c8ec0f06a450335efba7
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953909
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953909
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03c29204-600d-476e-93a3-77341b5f04b2.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/03c29204-600d-476e-93a3-77341b5f04b2.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/03c29204-600d-476e-93a3-77341b5f04b2
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T07:53:13Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x593b07c38d8ae6775eed44c3ad71e91e85a1c1767fd0c8ec0f06a450335efba7","name":"Melanie Massa","registered_at":"2026-06-15T14:44:16Z","symbol":"NIM0740761","token_address":"0x29ec65815938dc4e3cfb9c1309aa77afb89dec88","type":"artist","uuid":"03c29204-600d-476e-93a3-77341b5f04b2"}
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 0x593b07c38d8ae6775eed44c3ad71e91e85a1c1767fd0c8ec0f06a450335efba7. Chain 2 (Bitcoin): anchored in block 953909 (2026-06-16T07:53:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/03c29204-600d-476e-93a3-77341b5f04b2.json and https://artists.proofprofile.net/proofs/artist/03c29204-600d-476e-93a3-77341b5f04b2.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:53:13Z
  text: {"copyright_id":"0x593b07c38d8ae6775eed44c3ad71e91e85a1c1767fd0c8ec0f06a450335efba7","name":"Melanie Massa","registered_at":"2026-06-15T14:44:16Z","symbol":"NIM0740761","token_address":"0x29ec65815938dc4e3cfb9c1309aa77afb89dec88","type":"artist","uuid":"03c29204-600d-476e-93a3-77341b5f04b2"}
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