Antes y Después

Recording by Retoños Del Rio.

Recording identifiers

ISRC
QM6P42131019
CopyrightID (CopyrightChains transaction hash)
0xc28e832e3e84225a84bddde3965c4dd27c10cabc1f8ee3eb1755bbc68172fcaa
Copyright registration time
2026-06-17T20:12:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:30:09Z
Bitcoin block
956302
Canonical record hash
sha256:3d4cff689ded957d32e5077324ea29ab21012837e24d150d75dd39877e70c446

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.