パガニーニの主題による狂詩曲 第8変奏

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
JPCO01544690
CopyrightID (CopyrightChains transaction hash)
0xd543adb11182754239ccad240f45e5bd21c6a979a256f35ca4f363a83ca12a47
Copyright registration time
2026-06-20T04:29:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3797249a32c81e6dfb7abcf9d8f3365690cd50fe21ef32842048f566dd91bb77

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.