Flute Concerto No. 1, Op. 75: I. Allegro

Recording by Mieczysław Weinberg.

Recording identifiers

ISRC
DEN962200541
CopyrightID (CopyrightChains transaction hash)
0x69c68b7bc4be0a0707ef76341b40e503765c8aa1179a9479b2cfcfff48fe466c
Copyright registration time
2026-07-07T15:53:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:289dcb3bec5f83f0602aef8e69b40dc7da61c461afae45358fc0cdf7ccb9e9df

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.