Sombrero

Recording by Kuba Knap.

Recording identifiers

ISRC
FRX281965870
CopyrightID (CopyrightChains transaction hash)
0xe88e0e5f068757b92e80231aba9e19e30cf7f500d5397179aa395af3fc5016c5
Copyright registration time
2026-07-07T09:10:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:cc196960bf8f0706317f5613037aa6b1e42f0075533f72bcb1e802e9077ed465

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.