Yesterday

Recording by Rot Ken.

Recording identifiers

ISRC
QZZ972460585
CopyrightID (CopyrightChains transaction hash)
0x0c5dc98b553afac46990d2b714cdc1fbfff3af84387b4805fa081dbe1627ea47
Copyright registration time
2026-07-07T02:07:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:aa101e0274073c14761eba9dc17d591fad1f9341d1a2029c33efb3484018ea27

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.