Eroica Variations, Op. 35: Var. 7. Canone all'Ottava

Recording by Ludwig van Beethoven.

Recording identifiers

ISRC
GBAJY0420136
CopyrightID (CopyrightChains transaction hash)
0xd0f15909fce961e763640e5e9b2a8b13bd2201fe9603a04883aff64980a9a87b
Copyright registration time
2026-06-18T12:42:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:deb291c0aaa09988539a0a5b67b1c2e35c42749e0f33e2895d790c0f7afbd905

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.