4x4

Recording by Kelsey Hart.

Recording identifiers

ISRC
USCRB2300014
CopyrightID (CopyrightChains transaction hash)
0x489dd07e08a8553d3d74b50888c3a57a94a25b566af43d61ecd3fe8cd81b3d35
Copyright registration time
2026-06-06T00:27:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:d1710ecc2b50ba8afb4d3f431683702643d67fbbb311d13d022731fdbfeac423

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.