Last Number

Recording by OKAMOTO'S.

Recording identifiers

ISRC
JPU902204950
CopyrightID (CopyrightChains transaction hash)
0xf33b131d386b216dff72215e851ff37fc0cf2823063c970e163b770ac8464a95
Copyright registration time
2026-07-06T03:59:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:325d5fa10205b58d0511ec82b35bb402ec0690b373e0c9076ddef1e2c96058b4

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.