La Firma No da Contra

Recording by Chamaco.

Recording identifiers

ISRC
TCAEN1981051
CopyrightID (CopyrightChains transaction hash)
0xe8cb7d44d4b5e409356b04a71e1c3a036dbf7fecf875ff6e9964280c70fefdb0
Copyright registration time
2026-06-04T12:40:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:ac2ca6a4feac477c67a845c403512e4912335b60710de5a2fa6baa33906570cf

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.