Yesterday

Recording by Nautica (UK).

Recording identifiers

ISRC
US38Y2506552
CopyrightID (CopyrightChains transaction hash)
0x35b95e216aa6e28dd6417a9c871db770569bbebfba9a070ad0c04608cb1b7632
Copyright registration time
2026-06-05T09:52:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:85d44b1582fcccd2f0b8d44a73598a946d0793093c7431fed9bfa6e84ffadde7

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.