Ultrameme

Recording by Def Con Dos.

Recording identifiers

ISRC
USA2P2448539
CopyrightID (CopyrightChains transaction hash)
0x9eec35bf73a4d38aa8d82deb9390af09f8877f8599c62398c49a02715adf7647
Copyright registration time
2026-06-10T21:21:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b13b6d8e046a3201b47acbe04d36287a8049046b4f9ffdb0dcd97940439aeead

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.