健気さ

Recording by 櫻井美希.

Recording identifiers

ISRC
JPL801910019
CopyrightID (CopyrightChains transaction hash)
0x800366bdda58d3a1879ce64e052eba5710609bbc314eef9c0759805d228e5ac0
Copyright registration time
2026-07-30T21:23:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T21:35:24Z
Bitcoin block
960317
Canonical record hash
sha256:650af33f516a1bcda0a8cee22d1adb67b3110778bb71f27923dea54d08092f9b

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.