Heinrich Panofka
type: MusicGroup
description: Heinrich Panofka (3 October 1807 – 18 November 1887)Heinrich Panofka data.bnf.ft. Retrieved 8 February 2018. was a German violinist, voice teacher, writer on music and composer. Life thumb|Heinrich P
popularity: 2
followers: 45
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x93ce1d51d7dfb064ed5bf2817b1fff464e8b7d0a9d620aa35ee7e351c1e4e9d4
additional property: OTSHash
additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954603
additional property: OTSProofURL
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  value: https://artists.proofprofile.net/proofs/artist/c034fe11-b49c-44eb-8579-1b19d0726b37.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/c034fe11-b49c-44eb-8579-1b19d0726b37.json
additional property: OTSVerificationAPI
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  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/c034fe11-b49c-44eb-8579-1b19d0726b37
additional property: OTSTimestamp
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  value: 2026-06-20T21:47:54Z
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
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x93ce1d51d7dfb064ed5bf2817b1fff464e8b7d0a9d620aa35ee7e351c1e4e9d4. Chain 2 (Bitcoin): anchored in block 954603 (2026-06-20T21:47:54Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/c034fe11-b49c-44eb-8579-1b19d0726b37.json and https://artists.proofprofile.net/proofs/artist/c034fe11-b49c-44eb-8579-1b19d0726b37.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T21:47:54Z
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album: Panofka: 24 Vocalises Op. 81 Accompaniments with Melody Added: Alto, Contralto, Countertenor
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments for Soprano, Mezzo and Tenor
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments With Melody Added: Bass
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments With Melody Added: Baritone
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments With Melody Added: Soprano
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments With Melody Added: Mezzo
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka 24 Vocalises Op. 81 Accompaniments for Alto, Baritone and Bass
  type: MusicAlbum
  date published: 2015-12-31
album: Panofka: 24 Vocalises Op. 81 Accompaniments With Melody Added: Tenor
  type: MusicAlbum
  date published: 2015-12-31