Oratio Nocturna

Recording by 豊田まり.

Recording identifiers

ISRC
JPT592210217
CopyrightID (CopyrightChains transaction hash)
0xa65a035d6a36d9f3c14fa2c6a62262557eef176fc6da7baa0f2c0ab2a682f404
Copyright registration time
2026-06-20T23:31:31+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:18462a1fdb15db8a0d0a5ff12e4d1b95f1d11ea0734cc237f32b86e2ca02a83f

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.