Harry Mortimer
type: MusicGroup
description: Harry Mortimer (10 April 1902 – 23 January 1992) was an English composer and conductor who specialised in brass band music, one of the foremost cornet players of his era. Harry Mortimer was born in
popularity: 10
followers: 522
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  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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-16T04:12:47Z
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album: Récital (Mono Version)
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  date published: 1953-01-01
album: King Of Brass
  type: MusicAlbum
  date published: 1992
  track: Colonel Bogey on Parade
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    by artist: Harry Mortimer
    in album: King Of Brass
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      date published: 1992
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
    subject of: OpenTimestamps Proof of Existence
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      description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xe6536ba570205fc58730137b4e222f44024b9907d0f975ded4ebe4b8963889f4. Chain 2 (Bitcoin): anchored in block 956772 (2026-07-05T10:01:46Z), 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/GBAYE6800003.
      date published: 2026-07-05T10:01:46Z
    audio: Colonel Bogey on Parade
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album: Harry Mortimer: Man O' Brass
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  date published: 2012-03-26
album: Brass Band Favourites
  type: MusicAlbum
  date published: 2014-01-13
album: Men of Brass
  type: MusicAlbum
  date published: 2017-01-23
track: Colonel Bogey on Parade
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  by artist: Harry Mortimer
  in album: Best Of Brass Bands
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    date published: 2010-04-02
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  subject of: OpenTimestamps Proof of Existence
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    date published: 2026-07-02T03:30:09Z
  audio: Colonel Bogey on Parade
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track: Gallop from Orpheus in the Underworld

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Gallop from Orpheus in the Underworld
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duration: PT2M9S
duration ms: 129253
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by artist: Harry Mortimer
in album: Best Of Brass Bands
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  date published: 2010-04-02
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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 Note: an OTS proof may carry multiple Bitcoin attestations; OTSBitcoinBlock is the earliest confirmed one — a later attestation inside the proof corroborates it and is not a mismatch
subject of: OpenTimestamps Proof of Existence
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  date published: 2026-07-02T03:55:08Z
audio: Gallop from Orpheus in the Underworld
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