Thomas Demenga
type: MusicGroup
genre: classical
description: Thomas Demenga (born 12 June 1954Paul Griffiths: The Penguin companion to classical music. Penguin Putnam, London 2005, , 9.) is a Swiss composer and cellist. Life and career Born in Bern, Demenga
popularity: 23
followers: 1150
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
  type: PropertyValue
  value: https://explorer.copyrightchains.com/tx/0x6e8c3b66d177f16374bf621efc3bc4c7415686257c22fc4d4884b31f364bdf78
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 953407
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/953407
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/04be46bf-9910-4730-8516-c36284c24f44.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/04be46bf-9910-4730-8516-c36284c24f44.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/04be46bf-9910-4730-8516-c36284c24f44
additional property: OTSTimestamp
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  value: 2026-06-12T19:24:56Z
additional property: OTSCanonicalRecord
  type: PropertyValue
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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 0x6e8c3b66d177f16374bf621efc3bc4c7415686257c22fc4d4884b31f364bdf78. Chain 2 (Bitcoin): anchored in block 953408 (2026-06-12T19:28:13Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/04be46bf-9910-4730-8516-c36284c24f44.json and https://artists.proofprofile.net/proofs/artist/04be46bf-9910-4730-8516-c36284c24f44.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-12T19:28:13Z
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  type: MusicAlbum
  date published: 2012-01-01
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  type: MusicAlbum
  date published: 2000-05-26
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  type: MusicAlbum
  date published: 2002-06-17
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  type: MusicAlbum
  date published: 2006-06-06
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  type: MusicAlbum
  date published: 2001-04-06