Merle J. Isaac
type: MusicGroup
description: Merle John Isaac (October 12, 1898 – March 11, 1996) was an American composer and prolific arranger who focused on arranging famous pieces for performers of lower experience, especially school orchest
popularity: 5
followers: 43
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subject of: OpenTimestamps Proof of Existence
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  date published: 2026-06-17T08:11:48Z
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track: Obertura Mexicana

Obertura Mexicana
type: MusicRecording
duration: PT5M19S
duration ms: 319733
explicit: false
by artist: Merle J. Isaac
by artist: Orquesta Sinfonica de Mineria
in album: Concierto Mexicano 2013
  type: MusicAlbum
  date published: 2013-09-13
isrc code: QZES51980097
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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
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subject of: OpenTimestamps Proof of Existence
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  description: Dual-chain trust anchor. Chain 1 (CopyrightChains): CopyrightID 0xaf1d1704328960617c6df47ca0ac344c5a9f452e2841bf12f11788dc3f2d0949. Chain 2 (Bitcoin): anchored in block 956304 (2026-07-02T03:55:08Z), 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/QZES51980097.
  date published: 2026-07-02T03:55:08Z
audio: Obertura Mexicana
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  additional property: Valence (Positivity)
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  additional property: Key Name
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    value: G
  additional property: Mode Name
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Obertura Mexicana
type: MusicRecording
duration: PT4M54S
duration ms: 294266
explicit: false
by artist: Merle J. Isaac
by artist: Quinteto Anáhuac
in album: Música Mexicana de Concierto I
  type: MusicAlbum
  date published: 2015-02-10
isrc code: FR10S1555880
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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
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  date published: 2026-07-02T03:55:08Z
audio: Obertura Mexicana
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  additional property: Danceability
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