Valse Sentimentale

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
FR0V60900115
CopyrightID (CopyrightChains transaction hash)
0x41ce0c55564314a6e00a4a66b26c777abb968ba575d08e62013f76c3d572b1bc
Copyright registration time
2026-07-29T22:36:32+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:3a17be38e22388673f45521ca5df113e75ef10cf33f46f1814eed53a9964f80d

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.