Cosas Olvidadas

Recording by Roberto Rufino.

Recording identifiers

ISRC
QM6MZ1540230
CopyrightID (CopyrightChains transaction hash)
0x94dfd0a20603a93f436f3fa6a1fac3e88eee42949ee77f1005533c6e9958f032
Copyright registration time
2026-08-01T00:41:25+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-08-01T01:44:32Z
Bitcoin block
960494
Canonical record hash
sha256:e2f7e85a362e141aaf9a225d08c27d56d247a8ebd14dab57bf7f834fcfad351f

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.