Yesterday

Recording by Chris Potter.

Recording identifiers

ISRC
FRZ020580550
CopyrightID (CopyrightChains transaction hash)
0x0fad277cfa1e08686229cc1916c5d425770010c4bc69a77fc1bcc34e6e21990f
Copyright registration time
2026-07-07T22:21:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:62f9746735727db2227cc8acaedfce8dc75b40e5e3ab9f93cd214f92d9d20c29

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.