Yesterday

Recording by Louis Aguilar.

Recording identifiers

ISRC
FR9W11720298
CopyrightID (CopyrightChains transaction hash)
0x0f964c2dc1e73ee807e9c8f741c9cc0114ef733c6165cbb10188362510e88b76
Copyright registration time
2026-08-01T02:52:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T03:13:03Z
Bitcoin block
960500
Canonical record hash
sha256:f5feab4f9e0580d38c4214e9b550be9ca039be1c6a00811184717c91c0f952a7

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.