Lupina

Recording by Compay Segundo y su grupo.

Recording identifiers

ISRC
GBMEZ0935169
CopyrightID (CopyrightChains transaction hash)
0x281205b819d5087f13a93405f6c1f1b567646ec6b7fa968d3a5edbcb21490aab
Copyright registration time
2026-07-07T19:01:48+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:53:27Z
Bitcoin block
957124
Canonical record hash
sha256:0804f509287a0100551867e3162407c293b5fd95f76c19a335de09774fafc59b

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.