Colin Harper
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description: Colin Harper (born 1968, in Belfast) is an Irish non-fiction author and composer. Background Harper was born in Belfast and graduated in Modern History 1989 from Queen's University, Belfast, later ac
popularity: 7
followers: 193
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  date published: 2026-06-17T08:10:43Z
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track: The Dam Busters - March
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  by artist: Colin Harper
  in album: The Dam Busters - Rousing Songs, Anthems and Marches
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    date published: 2014-08-15
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-08T03:22:41Z
  audio: The Dam Busters - March
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track: March (From "The Dam Busters")
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    date published: 2011-08-05
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    date published: 2026-07-02T11:38:34Z
  audio: March (From "The Dam Busters")
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track: Spitfire Prelude (From "The First of the Few")

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Spitfire Prelude (From "The First of the Few")
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by artist: William Walton
by artist: Queensland Symphony Orchestra
by artist: Colin Harper
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additional property: OTSVerifyInstructions
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  value: 1. Confirm isrcCode identifies the recording in the pre-2022 source corpus and cc-db-prod record 2. GET OTSVerificationAPI → server-side canonical-record, hash, and attestation checks must pass 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. Confirm CopyrightID is the CopyrightChains transaction hash 5. If all match: the cc-db-prod record is independently anchored on Bitcoin at OTSTimestamp
subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0x00a603d21bfdeb74dea89a184c53033135c7d60e08a54153dcd243e1aeda3f87. Chain 2 (Bitcoin): anchored in block 957120 (2026-07-08T03:22:41Z), registered by our registry partner. The server verifies the private canonical record against OTSHash without exposing internal provider keys. Confirm the public ISRC, CopyrightID, and Bitcoin evidence via https://artists.proofprofile.net/api/v1/bot/ots/verify/track/AUAB01150384.
  date published: 2026-07-08T03:22:41Z
audio: Spitfire Prelude (From "The First of the Few")
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