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

Recording identifiers

ISRC

JPU902304553

CopyrightID (CopyrightChains transaction hash)

0xde60e05362a618d8d217c3095b9a0606d06c7df31794dceb2f04ec7db535dab7

Copyright registration time

2026-07-31T20:41:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T21:25:57Z

Bitcoin block

960468

Canonical record hash

sha256:df7a380bfe7faf9fcc3e661d101eaffe9398e290a068d0a2d82ea9e3f7026b1b

• 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.