Gymnasium Hypothesis

Recording by Masaru Yokoyama.

Recording identifiers

ISRC
JPI802300116
CopyrightID (CopyrightChains transaction hash)
0x44c423a05fce4f4f1ede6f5a9eb922257d49799539189514a9394ca50c66b25d
Copyright registration time
2026-07-07T02:05:58+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:a3b3e5c0f8128e9f663616995aefe1909ecf265a3988d35f7a3ea784ec9d96ce

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.