学年三位

Recording by 羽岡 佳.

Recording identifiers

ISRC
JPE302200899
CopyrightID (CopyrightChains transaction hash)
0x85279a90f2d9baf407e879dc7e6066628fc7d287e79eaef5e515a24827d19fad
Copyright registration time
2026-07-06T10:53:22+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T09:18:01Z
Bitcoin block
957020
Canonical record hash
sha256:dd09ea7d96f8e71b307d15953e64ebbc3cfe3f64f934a5638a460bc87742f40f

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.