問うなれば

Recording by 友川かずき.

Recording identifiers

ISRC
JPKI08075729
CopyrightID (CopyrightChains transaction hash)
0x7510adbc538020f6cc45f67b8b4b736ca75af6e7fef5f34df096e135687ff100
Copyright registration time
2026-07-31T03:21:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T04:14:58Z
Bitcoin block
960344
Canonical record hash
sha256:f8190ceaad6b1b3206003d04d9e25db008e3f0a8ea611ead9bb133619acb06a0

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.