スプートニク幻夜

Recording by UNDEAD CORPORATION DOUJIN WORKS.

Recording identifiers

ISRC
JPW562106592
CopyrightID (CopyrightChains transaction hash)
0x55d3bbe6ebe202c77c62c9b2b6d5e249b948a6d3f2191102b9bbb3e2082c7623
Copyright registration time
2026-07-07T13:52:02+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:b84ab8210fff66a90c24fe681a4bb8626ad7c3b8e61ffd43941050622fd5172f

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.