懺・満開の桜の下で 其の壱

Recording identifiers

ISRC

JPKI00916264

CopyrightID (CopyrightChains transaction hash)

0x2b1ff238196aa490e025fd1593efe5c436a7d7c2c61b8e58e4bb7e73e866e96b

Copyright registration time

2026-07-31T11:46:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp

2026-07-31T12:24:41Z

Bitcoin block

960397

Canonical record hash

sha256:c5a9fa11d776e265b9300050fcf2c85709d5ab6d9d848de1dcfae0a52a373d0f

• 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.