Hardest U18s Cypher 2019, Pt. 3

Recording by BL@CKBOX.

Recording identifiers

ISRC
TCAEL1903146
CopyrightID (CopyrightChains transaction hash)
0x3c384b930d0cc98a78088768280f0be1a98f3fcc067206e8ebd6b9da82ec34ad
Copyright registration time
2026-07-30T22:37:27+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:aaac92e21be4794573a1cd9ecf0a28e3ebc7d2992bc7629f0156e4f113d935e9

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.