Tiempos Viejos

Recording by Cacho Castaña.

Recording identifiers

ISRC
ARUM71300143
CopyrightID (CopyrightChains transaction hash)
0xb771fa699154507053755d313cd32e91717c77528ea77612b83224a996e43915
Copyright registration time
2026-07-07T02:04:08+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:3e0e288b049e00fb744b84b167c2dc169bbe449e1ecea529c847bc617c832b92

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.