タイセツにしたいもの

Recording by 水流ともゆき.

Recording identifiers

ISRC
JPW792013890
CopyrightID (CopyrightChains transaction hash)
0x2ecd1527096ee62a0b805cb3b6e7dc3a01fa2af8e69dfd4a8232587c950200b7
Copyright registration time
2026-07-30T04:48:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:ac01062c669eaf81be62ad85a2bd9ece6f7ab48356e49741f35b87473c2f0898

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.