Norman Krieger
type: MusicGroup
description: Norman Krieger is an American pianist and a Dean Charles H. Webb Chair in Music, professor of music in piano, and chair of the Piano Department professor at the Jacobs School of Music at Indiana Unive
popularity: 2
followers: 116
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0x5b2f1efaed3511a983d9d11b4321a4b499fd568fb015c80cff1b2a34dd3b7ef0
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954593
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954593
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/beff304b-acc4-4503-987b-60bab4897083.ots
additional property: OTSRecordURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/beff304b-acc4-4503-987b-60bab4897083.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/beff304b-acc4-4503-987b-60bab4897083
additional property: OTSTimestamp
  type: PropertyValue
  value: 2026-06-20T19:46:01Z
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 0x5b2f1efaed3511a983d9d11b4321a4b499fd568fb015c80cff1b2a34dd3b7ef0. Chain 2 (Bitcoin): anchored in block 954593 (2026-06-20T19:46:01Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/beff304b-acc4-4503-987b-60bab4897083.json and https://artists.proofprofile.net/proofs/artist/beff304b-acc4-4503-987b-60bab4897083.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:46:01Z
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album: Gershwin: Piano Solos
  type: MusicAlbum
  date published: 1988-01-01
album: Brahms Piano Concerto No. 1
  type: MusicAlbum
  date published: 2009-12-16