Química en Común

Recording by CD9.

Recording identifiers

ISRC
MXF011400330
CopyrightID (CopyrightChains transaction hash)
0x1b3a195ed8edf04aa0b41b7e56cfe993c24039cb695deb25dada7a8352e372d1
Copyright registration time
2026-06-05T13:13:19+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:4ab528eba5a8e3b384a6b1075f19c510b9f0da99dbff3680b27ada433def8429

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.