Chant sans paroles, Op. 2, No. 3

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBF075813680
CopyrightID (CopyrightChains transaction hash)
0x6d57d8ee40f534b5db10b73ad0d9e9959ad6f7209d57ef0068f396755a45d51c
Copyright registration time
2026-07-07T06:28:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5b63591fa18c7181bfc0e0398e1be805d4ef1b0d718a0f5bd6e5fb5883c13209

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.