Después Que Pasas

Recording by La Sonora Matancera.

Recording identifiers

ISRC
USDBB0951610
CopyrightID (CopyrightChains transaction hash)
0xe63f144bcfbd742d5e976f05592a318377057e4c881df2cdfe96b5294e7f0b19
Copyright registration time
2026-07-29T23:07:51+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T23:20:38Z
Bitcoin block
960163
Canonical record hash
sha256:6b35cc533fdddc2795565362793978f0887b4ae97fe7aaf434f26ca8c13a7f5c

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.