Carta Invisible

Recording by Cornelio Reyna Por Siempre.

Recording identifiers

ISRC
ZZOPM2105274
CopyrightID (CopyrightChains transaction hash)
0xc5850db71156114af4b20390b5bd491dd3d99abbc4c72e8be628fb52c69ef0db
Copyright registration time
2026-07-07T12:10:47+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:4293e2989ae66f1db82c646e26de4cd8aeda0d0c2c5cf8a3e8e269696aadecdd

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.