Big Bars

Recording by Duppy.

Recording identifiers

ISRC
QT3EY2530915
CopyrightID (CopyrightChains transaction hash)
0x8c01f050c3692dabdb4459657bdfe95225d9ef5ddcba719d2abd877854e328d2
Copyright registration time
2026-06-25T14:47:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:bfa35a681b463c8215e6bec2ba8407aaa342ceafc954a1cc4c32ae63b29eb55f

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.