Eva-Maria Houben
type: MusicGroup
genre: avant-garde
genre: minimalism
description: Eva-Maria Houben (born 15 January 1955) is a German composer, organist, pianist, musicologist and university lecturer. Life Born in Rheinberg, Houben grew up in Kamp-Lintfort. Her mother worked as
popularity: 2
followers: 572
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x0f1104178fc25657aba5966ff52ba8134a1526759488991feec8334a26b893a8
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954066
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954066
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/69643fd6-3b6a-4081-87dd-54bc79871726.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/69643fd6-3b6a-4081-87dd-54bc79871726.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/69643fd6-3b6a-4081-87dd-54bc79871726
additional property: OTSTimestamp
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  value: 2026-06-17T08:11:48Z
additional property: OTSCanonicalRecord
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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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x0f1104178fc25657aba5966ff52ba8134a1526759488991feec8334a26b893a8. Chain 2 (Bitcoin): anchored in block 954066 (2026-06-17T08:11:48Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/69643fd6-3b6a-4081-87dd-54bc79871726.json and https://artists.proofprofile.net/proofs/artist/69643fd6-3b6a-4081-87dd-54bc79871726.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-17T08:11:48Z
  text: {"copyright_id":"0x0f1104178fc25657aba5966ff52ba8134a1526759488991feec8334a26b893a8","name":"Eva-Maria Houben","registered_at":"2026-06-17T02:22:13Z","symbol":"NIM1250993","token_address":"0xe9c78665a9219908b5598dc63f0d93af7c13c0c9","type":"artist","uuid":"69643fd6-3b6a-4081-87dd-54bc79871726"}
album: Eva-Maria Houben: Livre d'heures - Book of Hours
  type: MusicAlbum
  date published: 2016
album: Eva-Maria Houben, Rebecca Lane, Samuel Dunscombe: Observing Objects
  type: MusicAlbum
  date published: 2017
album: Breath For Organ
  type: MusicAlbum
  date published: 2018-02-09
album: Erwartung 1 und 2
  type: MusicAlbum
  date published: 2019-04-12
album: Eva-Maria Houben : Gesänge des tages und der nacht
  type: MusicAlbum
  date published: 2023-05-26
album: Paloma Wind
  type: MusicAlbum
  date published: 2024-02-23