String Quartet No. 3, Op. 46: I. Allegro moderato –

Recording by Viktor Ullmann.

Recording identifiers

ISRC
GBAJY1397308
CopyrightID (CopyrightChains transaction hash)
0x08e1b44e39d4c075e8f609b1fa00cd2bff88b1e6c98b607ee5088fdb8f3046c3
Copyright registration time
2026-07-07T14:52:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:b8703d77e3985c497132e6dc84fec7909896325bb339a4ceed25432525b52751

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.