Como El Primer Día

Recording by Julión Álvarez y su Norteño Banda.

Recording identifiers

ISRC
MX4881600026
CopyrightID (CopyrightChains transaction hash)
0xa390a579a731c6ec085417a3391a3dd170e1fdd92374897db5d1cd158986ae53
Copyright registration time
2026-06-07T01:22:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:53:06Z
Bitcoin block
953515
Canonical record hash
sha256:b1692e83f0d2276778b439550275df3b1b12e7ac7c21476717865c48d35aedfb

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.