La calabaza

Recording by Compay Segundo.

Recording identifiers

ISRC
FXR282303570
CopyrightID (CopyrightChains transaction hash)
0xb0bbf3a1aabfa973a4ddd17ba15092c262fb7d006019c8d10f223e6a6bc371a9
Copyright registration time
2026-07-07T01:18:43+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e290789373cf2510eb035404226da7ebd6c60113eb2d67fc2695233e60aad75c

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.