Polo de Juramento

Recording by Gualberto Ibarreto.

Recording identifiers

ISRC
QZ5AB2309943
CopyrightID (CopyrightChains transaction hash)
0x90292f3de718daf95b44d5b9b9e7d3e11ad54a5fcc4ee2505bc42318e853aaca
Copyright registration time
2026-06-26T01:00:46+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:c7689d9e24be34fc056eacdee9fe43cfc8ae9cf0ade2873bc66dd95d33984215

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.