Pique Dame, Op. 68, TH. 10 / Act III: "Entr'acte"

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEF057731843
CopyrightID (CopyrightChains transaction hash)
0xa9d321724f922652fdfc30619f83eab825e7d802c309a61aae6f50c7c2fda286
Copyright registration time
2026-07-31T08:11:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T08:26:41Z
Bitcoin block
960368
Canonical record hash
sha256:2b113e807ff9bb78527e388f4b4c03ccc44f16a8225ccddbecf50fd15e31c97e

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.