Había Olvidado

Recording by Alejandra Guzman.

Recording identifiers

ISRC
MXF019900956
CopyrightID (CopyrightChains transaction hash)
0xdc065521bd626d788d6bf40696c4aea9d38ff2f009e5c7e5a6cc0c1fa61b160d
Copyright registration time
2026-06-22T16:21:50+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:675794da2884ce7afe59c2781720f9d369cc0db3a0955694fbff076d9277e580

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.