sepia

Recording by Kensuke Ushio.

Recording identifiers

ISRC
JPU902205230
CopyrightID (CopyrightChains transaction hash)
0xfbb9da29ee477ff7b432c6f3b04dd4db3783b4b3dd0f2e01a17c8320d273169f
Copyright registration time
2026-06-17T22:41:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:012b4d85dd1665a438489782ca6ed80828774071de706b93e8511c3045161739

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.