Bruno Hoffmann
type: MusicGroup
genre: chamber music
description: thumb|Bruno Hoffmann (1988) Bruno Hoffmann (15 September 191311 April 1991) was a German glass harpist. Hoffmann is widely acknowledged as the virtuoso who reanimated contemporary interest in the gla
popularity: 8
followers: 100
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additional property: OTSVerifyInstructions
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  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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xbd2582d41da4f533ea6c4ea7561b7eb51f31b64ff72fd0336514e21d53421658. 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/26226a95-a664-453e-886c-314cb50d5695.json and https://artists.proofprofile.net/proofs/artist/26226a95-a664-453e-886c-314cb50d5695.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T22:46:20Z
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album: Music for Glass Harmonica
  type: MusicAlbum
  date published: 1964-01-01
album: Music for Glass Harmonica
  type: MusicAlbum
  date published: 1987-01-01
album: Music for Glass Harmonica
  type: MusicAlbum
  date published: 1987-01-01
album: Bruno Hoffmann: The Art of the Glass Harp (Recordings on Archiv Produktion)
  type: MusicAlbum
  date published: 2025-04-04