May13th

Recording by Shun Ishiwaka.

Recording identifiers

ISRC
JPS801852977
CopyrightID (CopyrightChains transaction hash)
0x58199ce1a7e5499d69c0a275b72bd44a4079e3fd32abd4b83358b1c246f5140f
Copyright registration time
2026-07-22T07:21:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T08:41:42Z
Bitcoin block
959114
Canonical record hash
sha256:3dbd622b13c75f25294024e7e68414e96d6696ea9ac4e8c9fa2bb17d1e1dce6b

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.