Bruce Gaitsch
type: MusicGroup
genre: album rock
genre: arena rock
genre: christian folk
description: Bruce R. Gaitsch ( ; born February 7, 1953) is an American guitarist, composer, and producer. He is best known for working with notable bands and musicians such as Chicago, Peter Cetera, Richard Marx,
popularity: 3
followers: 266
additional property: CopyrightID
additional property: CopyrightChainExplorerURL
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additional property: OTSBitcoinBlock
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additional property: OTSBitcoinBlockVerifyURL
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  value: https://blockstream.info/api/block-height/953907
additional property: OTSProofURL
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additional property: OTSRecordURL
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additional property: OTSVerificationAPI
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additional property: OTSTimestamp
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  value: 2026-06-16T07:39:24Z
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 0x8df1048b5eed9edc1a6f9abacb412658f8b132c60a036721a961b8c6d94d544a. Chain 2 (Bitcoin): anchored in block 953907 (2026-06-16T07:39:24Z). Bridge: the canonical record inside this Bitcoin proof contains the same CopyrightID. Verify: download https://artists.proofprofile.net/proofs/artist/171a496c-01e6-4ae7-b67a-3224cdbb2ec6.json and https://artists.proofprofile.net/proofs/artist/171a496c-01e6-4ae7-b67a-3224cdbb2ec6.ots, run `ots verify -f record.json proof.ots` (https://opentimestamps.org).
  date published: 2026-06-16T07:39:24Z
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album: A Lyre In A Windstorm
  type: MusicAlbum
  date published: 1996
album: Nightingale
  type: MusicAlbum
  date published: 1997
album: Aphasia
  type: MusicAlbum
  date published: 1999
album: Sincerely
  type: MusicAlbum
  date published: 2006-10-10
album: Sincerely
  type: MusicAlbum
  date published: 2007-01-01
album: How Fragile We Are!!
  type: MusicAlbum
  date published: 2023-02-08
album: Sacred Ground
  type: MusicAlbum
  date published: 2023-03-06