第二幕 幕間

Recording by きくおはな.

Recording identifiers

ISRC
JPT361700050
CopyrightID (CopyrightChains transaction hash)
0x9afa58af5e2c2aeca4c78b1f1085667d1af04b467030ca1cd92b5251f9295a67
Copyright registration time
2026-06-08T16:13:23+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T17:25:41Z
Bitcoin block
953536
Canonical record hash
sha256:f21dd09af44c3a51cedb76e1f744878c037d7211faad0f147d29f34f99c5133d

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.