Stein-Erik Olsen
type: MusicGroup
description: Stein-Erik Olsen (born 8 September 1953) is a Norwegian classical guitarist and professor of guitar at the University of Bergen, known from collaborations with such as Gro Sandvik, Roar Engelberg and
popularity: 3
followers: 108
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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  value: https://explorer.copyrightchains.com/tx/0xfe2c0c2f135bf79a9e8ec67fb75700abbe968c2b0146c0628ec239d25534f0a4
additional property: OTSHash
additional property: OTSBitcoinBlock
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  value: 954587
additional property: OTSBitcoinBlockVerifyURL
  type: PropertyValue
  value: https://blockstream.info/api/block-height/954587
additional property: OTSProofURL
  type: PropertyValue
  value: https://artists.proofprofile.net/proofs/artist/b8374c6b-bd6c-49d3-9d7d-67a55e8d6933.ots
additional property: OTSRecordURL
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  value: https://artists.proofprofile.net/proofs/artist/b8374c6b-bd6c-49d3-9d7d-67a55e8d6933.json
additional property: OTSVerificationAPI
  type: PropertyValue
  value: https://artists.proofprofile.net/api/v1/bot/ots/verify/artist/b8374c6b-bd6c-49d3-9d7d-67a55e8d6933
additional property: OTSTimestamp
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  value: 2026-06-20T19:10:41Z
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 0xfe2c0c2f135bf79a9e8ec67fb75700abbe968c2b0146c0628ec239d25534f0a4. Chain 2 (Bitcoin): anchored in block 954588 (2026-06-20T19:15:05Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/b8374c6b-bd6c-49d3-9d7d-67a55e8d6933.json and https://artists.proofprofile.net/proofs/artist/b8374c6b-bd6c-49d3-9d7d-67a55e8d6933.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-20T19:15:05Z
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album: Hommage!
  type: MusicAlbum
  date published: 1984
album: Blue Sonata
  type: MusicAlbum
  date published: 1987
album: Songs And Dances
  type: MusicAlbum
  date published: 1991
album: Songs and Dances
  type: MusicAlbum
  date published: 1991
album: Sonata Mongoliana
  type: MusicAlbum
  date published: 2000-10-25
album: 3-Way Project
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album: Havana · Rio · Moscow
  type: MusicAlbum
  date published: 2014
album: Havana · Rio · Moscow
  type: MusicAlbum
  date published: 2014-10-10
album: Paris Recital
  type: MusicAlbum
  date published: 2019-04-01
album: The Fifties and NOW
  type: MusicAlbum
  date published: 2022-11-04