Two Pieces for String Quartet, Op. 36a: 1. Elegy

Recording identifiers

ISRC

GBF071500031

CopyrightID (CopyrightChains transaction hash)

0x44a4937c153cc39c237424d53e65b0c6382d3cde7dcf245ba1d2d498bab4287e

Copyright registration time

2026-07-06T00:43:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-06T01:25:57Z

Bitcoin block

956856

Canonical record hash

sha256:d18164739569b15ed25e42be32ce035b40ab214aec2141625f1509a06bb7ebec

• 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.