Split in Two

Recording by 上松範康.

Recording identifiers

ISRC
JPA841802135
CopyrightID (CopyrightChains transaction hash)
0xcb7840044d64ad3135ed8019310e9afb053d5449dc65e72b05ade9f7a1fee2c0
Copyright registration time
2026-07-30T12:37:59+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:51:24Z
Bitcoin block
960259
Canonical record hash
sha256:589be144546abb64dd8845a2b7b7eda8b6d336b88941ebe425c8dd281fab521c

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.