Hardest U18s Cypher 2019, Pt. 5

Recording by BL@CKBOX.

Recording identifiers

ISRC
TCAEL1903167
CopyrightID (CopyrightChains transaction hash)
0xe54958e8ca80ac0157168e6ce12b0395896ff07797081bf3e24383b52f10bb96
Copyright registration time
2026-07-30T02:13:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T02:30:29Z
Bitcoin block
960199
Canonical record hash
sha256:a077112ace0c6fb1bf8038df7f2a050fb0480aeb12bfc251abb758201e1fa5ff

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.