パガニーニの主題による狂詩曲 第6変奏

Recording by Sergei Rachmaninoff.

Recording identifiers

ISRC
JPCO01544688
CopyrightID (CopyrightChains transaction hash)
0x4259a936c643a17ce1419c5dd3ef5ffe1e72e79c7a8339d13262a989c9c2c75b
Copyright registration time
2026-06-17T22:47:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:2108e2dfd8cfac881c03514fcf637d11826fbe3f33f9899f6389b09a81c34f31

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.