ルビーの指環

Recording by Crazy Ken Band.

Recording identifiers

ISRC
JPPO02102581
CopyrightID (CopyrightChains transaction hash)
0xeff79152fb2639287ba643a1a6abd79c6283ee5ef4c944522e1eab3a92009d67
Copyright registration time
2026-06-08T23:29:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:cd4f49f15c53cc1229577d6797dd639f404fa1540bed5a4e149695887dfbea9e

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.