惰星のマーチ

Recording by sumika.

Recording identifiers

ISRC
JPU902100172
CopyrightID (CopyrightChains transaction hash)
0xfc0bb874e16ce256e89375ed0d51f178b37e09a6167d215d4cfd83201445ef09
Copyright registration time
2026-06-07T02:08:09+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:72f399ff979f00c40761260cc0371a334b13fdef45c4180fd8af614c3714be36

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.