Mayday

Recording by はる賀.

Recording identifiers

ISRC
JPP302200226
CopyrightID (CopyrightChains transaction hash)
0x9af8bad20d482e980339e6b599262ee6c73900a26e35c16899ffe7343940282e
Copyright registration time
2026-07-29T22:31:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T22:48:59Z
Bitcoin block
960160
Canonical record hash
sha256:10031310b1b2b57add2097dd660d884f0bb0d38f40527286688fb99b85becbd0

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.