absence - Live at 昭和女子大学 人見記念講堂 2022.12.22

Recording identifiers

ISRC

JPU902304561

CopyrightID (CopyrightChains transaction hash)

0x81fb6741b5040834ca53d3f7cc382d0797d81ceb5944ac1fc4126c093764d5e6

Copyright registration time

2026-07-31T22:37:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T23:30:38Z

Bitcoin block

960478

Canonical record hash

sha256:e6707e4c6c2ca65f4cabab32d7c84a931fc2ed8308935fba8e8d6d0fe9e13d69

• Verify the CopyrightID on CopyrightChains
• Verify the Bitcoin block independently
• Read the machine-verifiable OTS result

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.