うつつ

Recording by UNDEAD CORPORATION DOUJIN WORKS.

Recording identifiers

ISRC
JPW562106585
CopyrightID (CopyrightChains transaction hash)
0x1bdf90369640dc94da7bc3e9d0562b765b2cc738d24728bddef5995e0cbf7b48
Copyright registration time
2026-08-01T00:11:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T00:40:43Z
Bitcoin block
960489
Canonical record hash
sha256:4102239a06c41d92006165cde73dd6d0c0fdc5280ca1c30052b18990622ac357

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.