Corundum

Recording by Knopha.

Recording identifiers

ISRC
USYBL2301286
CopyrightID (CopyrightChains transaction hash)
0x6154196180e5c655aab474918d1f9693bff13a90267aad48e50a64e0493dd731
Copyright registration time
2026-07-30T15:52:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T16:10:47Z
Bitcoin block
960277
Canonical record hash
sha256:dbacef88515433850d04359fbe2548c26fce17149dbbdf1329c2764f64b0ded5

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.