俺たちの物語

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPE302000694
CopyrightID (CopyrightChains transaction hash)
0x5c1467951f1632c31afe3023fbc2086dfd65259b021546476de878d87f5c42a4
Copyright registration time
2026-07-06T04:50:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T07:53:57Z
Bitcoin block
956894
Canonical record hash
sha256:e2da3744ce7afb44e5bfc70111a5390b7e1a401bcc1741e3ba01ff06f4756170

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.