Sigo

Recording by EMPALME OBRERO.

Recording identifiers

ISRC
QZDA42531930
CopyrightID (CopyrightChains transaction hash)
0xc9bda63da03b7a182fa219f4361e874f144e98c8ee3d9a26cd6516ca6d92de0d
Copyright registration time
2026-06-21T14:52:44+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:da15f5627cc006f98dbffe7f0d12f05209984b4484ed99a77bdc4ae81971c770

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.