Mainframes

Recording by NTBR.

Recording identifiers

ISRC
QZK6F2083638
CopyrightID (CopyrightChains transaction hash)
0xd5959a0588978cea298ba8d7d64cb5eb28407847de9b98811e4a8510e65d4bbd
Copyright registration time
2026-07-30T15:09:26+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T15:42:38Z
Bitcoin block
960273
Canonical record hash
sha256:15d2c37cdeb468ced78d6eda9670e5c2a7fe641113fe37a5103edf8f192543f8

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.