Yesterday

Recording by Eva Cassidy.

Recording identifiers

ISRC
USA440379009
CopyrightID (CopyrightChains transaction hash)
0x8dde067d41918bc40ae3fe5ab07b55b27aa5bffdbeebc6438c0bc53128c75698
Copyright registration time
2026-06-06T14:51:41+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:c84af0531fe13dbd40af2b1579b8ae7225a0f5bde4d50d561638f5af1c73fefe

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.