Chanson Triste, Op. 40, No. 2 - Welte-Mignon_1362

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEPI82404062
CopyrightID (CopyrightChains transaction hash)
0x170532db041a1591112ef65b701eae0321de25c748d2ed60edd1c14fb0e7a2b0

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:706e3c271c79c374f1e5e22570370b7240df3431a9ce8a5e95dfde5f0da0cd48

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.