天国と地獄

Recording by 大沢可直.

Recording identifiers

ISRC
JPCO08629850
CopyrightID (CopyrightChains transaction hash)
0xa09c947d577911a945914c0d9eaf567bf291f34186cbae4773321e66621838b8
Copyright registration time
2026-06-18T17:18:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:34220bb305c5118b1a89d5f25cc169166e88d8ff735c384278c9eb9cbf95c6ac

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.