18 Pieces, Op. 72: XVI. Valse à cinq temps

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
GBAJY8402916
CopyrightID (CopyrightChains transaction hash)
0x7e8917ac0ce5ffc1e592b96c5ffe7f5c3ab8b78bb89afcdc369e36bca636f935

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T04:30:37Z
Bitcoin block
960509
Canonical record hash
sha256:62d0799c67b120620dceb975e876092580072ecdf5821cd352cac1a319467899

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.