守りたいもののために

Recording by 伊藤美来.

Recording identifiers

ISRC
JPCO01732280
CopyrightID (CopyrightChains transaction hash)
0x2d979e42706a311e65a84c8efb956badd3eb813868881f3cc6bc2d7b780aa7d4
Copyright registration time
2026-06-18T06:49:54+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:7b97e6be8b77f803691577d34116db10cb22b6cfb8cec710523eb7bfc1b56758

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.