Seems Like Yesterday

Recording by Ernesto Cortazar.

Recording identifiers

ISRC
TCABF1227453
CopyrightID (CopyrightChains transaction hash)
0x14a3d17a9373f2f60a083d17033cc2e1ad43a0158d405cb93820077500cbcdea
Copyright registration time
2026-06-20T15:24:24+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:009314f8cafdd74173b6ea81e9735637242f1d0d086f33a4559ad3c432ed3587

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.