ラストダンスはCHA-CHAで

Recording by 村山一海.

Recording identifiers

ISRC
JPB601854398
CopyrightID (CopyrightChains transaction hash)
0x2bcd0624fd2888fe4dd3dfda71e285cecb909891bc9eeb2edf602aaed7395887
Copyright registration time
2026-07-07T11:45:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:b67c079c3804e8fea122b33d2983a38db50d5f2bf8cb461f644673a488f5722a

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.