Yesterday

Recording by Zia & Zio.

Recording identifiers

ISRC
DEYT72000159
CopyrightID (CopyrightChains transaction hash)
0x86da178583efdd6f24f6bb1a5903b38822d043f78be767ccdf2add9e73656287
Copyright registration time
2026-06-07T23:52:21+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:08aa8fc8630f55382a5ea6972178408a5755ca3c071155a72401fff79d93da27

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.