割れないシャボン玉

Recording by けやき坂46.

Recording identifiers

ISRC
JPU901801712
CopyrightID (CopyrightChains transaction hash)
0x02c7a857a7d40256f0406207466856aa0da5707e474906e8e806f269142a9d6a
Copyright registration time
2026-06-09T12:18:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:ca0eafd72c93ef54ca5bd0bf596ad2e549fdc7fd36183f0ef5db9cbf8593cedc

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.