The Two Of Them

Recording by Kensuke Ushio.

Recording identifiers

ISRC
JPE301701463
CopyrightID (CopyrightChains transaction hash)
0x477b77876535546ebeb02aeb79f0bfe07f46bd68a7bb70a9d672a6b3065b5c37
Copyright registration time
2026-06-10T03:03:06+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:5b761efaba727ea153a7b30da7c7d449e0e931a16fc40bf5ceb665d73a026d7f

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.