Yesterday

Recording by Bri Trilla.

Recording identifiers

ISRC
QZMEM2431076
CopyrightID (CopyrightChains transaction hash)
0x04257fe51dc8087ce8a94a3d50e667b8070b9734c1417693d07970773b536789
Copyright registration time
2026-07-07T08:07:12+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:f73cd373871c8fc0396f60134329380573e60a308e502a565fe4932f27b67678

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.