La Vejez

Recording by Alberto Cortez.

Recording identifiers

ISRC
MXF331111789
CopyrightID (CopyrightChains transaction hash)
0x4be40fdf0c2c5b14c3e22d0078d1d4b29335267383ec6183d34e6efe0563947a
Copyright registration time
2026-07-06T05:42:17+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:89cac7a2dc92b40d114d29a1ce74799870305137f5986480a64a2fe566216dec

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.