Ligeti: String Quartet No. 2: V. Allegro con delicatezza

Recording identifiers

ISRC

GBAYC9903818

CopyrightID (CopyrightChains transaction hash)

0x61c1abaf7c779879fb8fc7e0bd332a71ee9d46d0a04fd15fd029e1b9268c4ccb

Copyright registration time

2026-07-31T22:15:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T22:27:44Z

Bitcoin block

960473

Canonical record hash

sha256:be8317511611f01e5d4c5d86157d29be35181261370a1da6e8119a5a1e953ed7

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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.