It Takes Two

Recording by Zac Efron.

Recording identifiers

ISRC
USNLR0700049
CopyrightID (CopyrightChains transaction hash)
0xcb3707573174a3b771f74ec55ebe1cc433d41d1558600986951d1994acadda8d
Copyright registration time
2026-06-04T09:07:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4522740ce5c5d86cb5d88a8b839118fc705c0001b14aa92cbc85d8c295d261bf

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.