Chanson Triste, Op. 40, No. 2 - Duo-Art 5957

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEPI82401792
CopyrightID (CopyrightChains transaction hash)
0x995c68eadeb31b499af4206707e064fee71c25528371d2d82eb583f24ce17479
Copyright registration time
2026-07-04T12:59:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:bf4780f1a71c7d324e9384d7cf38105c4e4bfdb66fbc74eab3f57da817218455

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.