TWO FIFTY

Recording by BLCKK.

Recording identifiers

ISRC
QZTLA2416923
CopyrightID (CopyrightChains transaction hash)
0x2718b61b9eece42493c73821b0afef8cf6f60d02eaa0757f2f22c2f480f01889
Copyright registration time
2026-06-23T17:59:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0a97a30f01a7d6ac080874adfdd5c517a27325b54c4754d76462b4d74fa89132

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.