1812 Overture, Op. 49

Recording by Pyotr Ilyich Tchaikovsky.

Recording identifiers

ISRC
DEF056601190
CopyrightID (CopyrightChains transaction hash)
0x34e3a2bd66fe9e3ea35defc26cb2586ec0fa4982f42f44937088c395d85ee368
Copyright registration time
2026-07-06T07:40:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T18:39:05Z
Bitcoin block
957073
Canonical record hash
sha256:380e0f82835ac7c4cb5a129cea7b36d3305bd094910ab53a2a8caf4a53a01327

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.