Violin Concerto No. 2, Op. 61: Moderato - Molto tranquillo

Recording by Karol Szymanowski.

Recording identifiers

ISRC
DEE860801472
CopyrightID (CopyrightChains transaction hash)
0x9809bffa753a7a362c98dad97d51f05b14cc31f6be59f7bf6a3eaab39716ad5b
Copyright registration time
2026-07-07T05:01:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:829321a3224b4950337d4f54985f9eb505aae2711cf1df048a95ffe4ee9674da

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.