Chanson Triste, Op. 40, No. 2 - Remastered

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
USSM11807918
CopyrightID (CopyrightChains transaction hash)
0x6800ce347dd9781e8faa782d42e8fda766ddb6e8d8242f9c34d1ad35c52f5b95

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T15:20:15Z
Bitcoin block
960418
Canonical record hash
sha256:222ba2593047ab790cd279b7333d5d16d52f5cf7076293e236e8e10444e50336

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.