俗・メインテーマ

Recording by Tomoki Hasegawa.

Recording identifiers

ISRC
JPKI00810922
CopyrightID (CopyrightChains transaction hash)
0x3317a328830379f321fcb09d2de2e1839a8a9df9f6b4bbd1a8aa12273e0f6acf
Copyright registration time
2026-07-06T20:39:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:ba78e9c4d32127a3c0a218294034865d4eeb245f8a838b1c5f627381663a527f

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.