Ligeti: String Quartet No. 1 "Métamorphoses nocturnes": VI. Andante tranquillo

Recording identifiers

ISRC

GBAYC9903806

CopyrightID (CopyrightChains transaction hash)

0x00e8c530297b6a3f2987958e35dfb9ccb5fa1ab5d2b624c23c30748084a83c70

Copyright registration time

2026-07-31T15:45:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T15:59:18Z

Bitcoin block

960427

Canonical record hash

sha256:0bedac9e23dbddd934052b9fefd4f23f816a0a1bbab21f4d8e2e3b13a127f663

• Verify the CopyrightID on CopyrightChains
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What this proof establishes

This recording belongs to ProofProfile's historical evidence base derived from the pre-2022 AcousticBrainz and MusicBrainz corpus. 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.