99Problems

Recording by T99.

Recording identifiers

ISRC
QZMEP2239566
CopyrightID (CopyrightChains transaction hash)
0x272ef217a089703ad7e032def710bfee038eb13aa6e326f67ae11a77fab9d9c6
Copyright registration time
2026-07-07T13:14:07+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:cbb26488455737f8299f9775fda36597cb6d1ea405de163d39e132093ca2cdf9

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.