Symphony No. 21, Op. 152 „Kaddish“: III. Largo

Recording by Mieczysław Weinberg.

Recording identifiers

ISRC
DEN961900643
CopyrightID (CopyrightChains transaction hash)
0xa866f9d61c0b13cf96b25b90c4688ca01eeb23bd89702239865a6267f5e58ead
Copyright registration time
2026-07-07T17:38:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:2f57ecbc68657aeb0896ddf70f6552014cd5578949c32a9a667c11334653b49d

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.