String Quartet No. 12 in F Major, Op. 96, B. 179 "American": II. Lento

Recording identifiers

ISRC

USTE10306283

Release date of the album this recording appears on

1991-10-01

CopyrightID (CopyrightChains transaction hash)

0x703b8b127c2d3ba9d702dacb31f9ef48b7255f3092bd68ff2973b9966daae905

Copyright registration time

2026-07-07T02:39:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-08T03:20:19Z

Bitcoin block

957118

Canonical record hash

sha256:7f1a446c8720524b38178e8b3bd197f9fb8724b4884a5b8d0de32114b160819d

• Verify the CopyrightID on CopyrightChains
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• Recording evidence summary for ISRC USTE10306283

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.