A Usted

Recording by Alejandro Lerner.

Recording identifiers

ISRC
ARF140000032
CopyrightID (CopyrightChains transaction hash)
0xf83c7f0ca256765264705dd0edb1b50a07582d60d0e8fd9ecf6aea7237b3a9fa
Copyright registration time
2026-06-24T15:07:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0afa827878665371424d63cfe9d21efe36b0689dc250e8cf792c6f416c119639

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.