Cosas Olvidadas

Recording by Roberto Rufino.

Recording identifiers

ISRC
ARA821000839
CopyrightID (CopyrightChains transaction hash)
0x720ace32941ab0823625797958989b1d0b19cc8bc581ee28889008eee424b4d5
Copyright registration time
2026-07-31T06:44:53+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T06:58:00Z
Bitcoin block
960362
Canonical record hash
sha256:ee22912fd2b950d805d21c21591d0b7cbaa84c4fa8e1a6bbf56d8afbb8910ed8

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.