続・だってしょうがないじゃない

Recording by Akiko Wada.

Recording identifiers

ISRC
JPE508800003
CopyrightID (CopyrightChains transaction hash)
0xf92a16014199d7398547f31d6b3f60f7ed10a46d47f6e0402eaada4c5020ffbb
Copyright registration time
2026-07-07T02:42:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:b453cf66d331de97050f4fbd597818fd03c676d35bf6b7bbb7db6758dd8b17a7

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.