String Quartet No. 1 in A Major, Op. 4: I. Allegro con fuoco

Recording by Alexander von Zemlinsky.

Recording identifiers

ISRC
GBLWD1501001
CopyrightID (CopyrightChains transaction hash)
0x7d67b5401aafe9223bb84283a5f9f94cad3bd7f02c6d3ff484ae51bf4a122675
Copyright registration time
2026-07-31T11:02:52+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T13:04:34Z
Bitcoin block
960403
Canonical record hash
sha256:44211c36b05ddcac0f2baa8943416849be1c1b6e62d77045008e1c95ec285f63

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.