Testimonio Oz

Recording by La Castañeda.

Recording identifiers

ISRC
TCAFG2033498
CopyrightID (CopyrightChains transaction hash)
0xd807f1a48ef26daae56bac3d258ce6a452f538614518a2f326a482fc00e4850b
Copyright registration time
2026-07-07T19:51:05+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T08:56:20Z
Bitcoin block
957145
Canonical record hash
sha256:6502828ccb6c50a95a68d2e12f8cc4a9dfdd7776af3352fa5fe22b76d1bbe9a7

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.