Cómo Fue

Recording by La Sonora Matancera.

Recording identifiers

ISRC
PEMG95201001
CopyrightID (CopyrightChains transaction hash)
0xe0b7b2182f5c70717b20e6585a43c66c13a2d73e69338556d82d175b99fd7dd7
Copyright registration time
2026-07-30T04:06:30+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T04:47:22Z
Bitcoin block
960207
Canonical record hash
sha256:97b01be05014662fb83aa45e57ad85fee80991992556b1eefeab43308c7438b9

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.