Back Then

Recording by Sushi Da Deejay.

Recording identifiers

ISRC
USA2P2320625
CopyrightID (CopyrightChains transaction hash)
0xcdb4c47e9b29d071f1ace25aed7a78a1e343419fc740485ae5d268f13d2eb344
Copyright registration time
2026-06-10T07:44:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T15:41:10Z
Bitcoin block
953528
Canonical record hash
sha256:a98c3685eba5c9be4a24cd6e660c24a3b75dfe6c46259e37e6004fe430b327fd

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.