Eugene Onegin: Pas de deux (Spiegel)

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DED819987112
CopyrightID (CopyrightChains transaction hash)
0x8ea14429bd68c517661ea1ffd0e8ccfc39e9d3da8a58cb6d2660122638069231
Copyright registration time
2026-06-27T13:22:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:1f743fba702597dab99f34e657d6d20bb538fa50f5b5a87d783a00cd4f1d2efb

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.