Lupina

Recording by Compay Segundo.

Recording identifiers

ISRC
ESA031423937
CopyrightID (CopyrightChains transaction hash)
0xe49db1d586b3a62f3a908b5d495a7a25f174c592b3f5ea751c6739888d9866eb
Copyright registration time
2026-07-07T09:10:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:82c83f78ba372395c76030888c4b34194ae710c9b49287f1bf089208456e3ac1

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.