Justo El 31

Recording by Francisco Rotundo.

Recording identifiers

ISRC
ART340900186
CopyrightID (CopyrightChains transaction hash)
0x4f54e34151f71dd7222938009dbeee6909ea41949c276d7bf43d5c02b23e3dc8
Copyright registration time
2026-07-07T04:35:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:375462842bafc902cefc4be6fd007119a10811a29f8a44620f6ebd860526d236

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.