Valentin de La Sierra - En vivo

Recording by Efrain Rubio.

Recording identifiers

ISRC
QZK6M2319699
CopyrightID (CopyrightChains transaction hash)
0x5dae6ac846e191e2d56e744b1d4f0e95fbf3dd9055a7815e5c798265cc3d8c7c
Copyright registration time
2026-07-08T01:00:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:22:41Z
Bitcoin block
957120
Canonical record hash
sha256:66cfc9518663926e74e67ba0cdea14e46e378d540d9b1735a84fc102538a002c

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.