String Quartet No. 14 in A-Flat Major, Op. 105, B. 193: I. Adagio, ma non troppo - Allegro appassionato

Recording identifiers

ISRC

USTE10301283

Release date of the album this recording appears on

1991-10-01

CopyrightID (CopyrightChains transaction hash)

0x295d4e4cecc95e620909f344576eeb8cf9d31feaf1280d97f73e92b4a5282ba5

Copyright registration time

2026-08-01T02:11:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-08-01T03:13:03Z

Bitcoin block

960500

Canonical record hash

sha256:e05893edb06434d422ef5176aae55085bfc4fcab1f0495fc6873363f47567f75

• Verify the CopyrightID on CopyrightChains
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• Read the machine-verifiable OTS result
• Recording evidence summary for ISRC USTE10301283

What this proof establishes

This recording was released in 1991, before generative AI. ProofProfile's catalogue derives from the pre-2022 AcousticBrainz and MusicBrainz source corpus, and ISRC is the stable recording-level bridge from that source corpus to the authoritative cc-db-prod track record.

CopyrightChains and Bitcoin OpenTimestamps make the exact committed record independently verifiable today. The cryptographic proof does not by itself establish authorship or ownership of the underlying recording.

Read the complete pre-generative-AI provenance and verification method.