El Columpio

Recording by Polo Urias Y Su Maquina Norteña.

Recording identifiers

ISRC
QZK6F2123702
CopyrightID (CopyrightChains transaction hash)
0x3aec517f5da9201dd4abc723180c97cbdb08b55fc13d01ce5cc8e6eaf44f4a00
Copyright registration time
2026-06-19T14:17:00+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:762245e3d6f8c28fabac84694653933a114f854f519f9c61d85f3f5d536edb63

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.