なんで泣いてたんですか

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPKI01915271
CopyrightID (CopyrightChains transaction hash)
0x02ce3bec375983eca9f2bf64879c040f99da2bc0598033b3857bcdb1149e980f
Copyright registration time
2026-07-30T17:48:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T18:23:33Z
Bitcoin block
960291
Canonical record hash
sha256:018314de4e2c92428ba2bdf27baa3e6b3e0be5e8f975ad524ef3923d0507d117

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.