Françoise Vanhecke
type: MusicGroup
description: thumb|Françoise Vanhecke in 2013 Françoise Renilde Irma Vanhecke is a Belgian soprano, artist, pianist, music researcher, music lecturer, and vocal coach. She is known for her role of Ida Heiger in Tr
popularity: 4
followers: 71
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x0212c961e2c52c287b8dae73975df6c886039c56f36cc3a6866e17e10141e6c2
additional property: OTSHash
additional property: OTSBitcoinBlock
  type: PropertyValue
  value: 953980
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953980
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-16T17:16:51Z
additional property: OTSCanonicalRecord
  type: PropertyValue
  value: {"copyright_id":"0x0212c961e2c52c287b8dae73975df6c886039c56f36cc3a6866e17e10141e6c2","name":"Françoise Vanhecke","registered_at":"2026-06-16T04:51:46Z","symbol":"NIM0943050","token_address":"0x430d027f13d042e6fb75d3c26763f0e66afaaa05","type":"artist","uuid":"2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d"}
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 0x0212c961e2c52c287b8dae73975df6c886039c56f36cc3a6866e17e10141e6c2. Chain 2 (Bitcoin): anchored in block 954014 (2026-06-16T22:46:20Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d.json and https://artists.proofprofile.net/proofs/artist/2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
  text: {"copyright_id":"0x0212c961e2c52c287b8dae73975df6c886039c56f36cc3a6866e17e10141e6c2","name":"Françoise Vanhecke","registered_at":"2026-06-16T04:51:46Z","symbol":"NIM0943050","token_address":"0x430d027f13d042e6fb75d3c26763f0e66afaaa05","type":"artist","uuid":"2bbddda2-78dc-4aaa-bff5-5509fc4a4e6d"}
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