Calculadora

Recording by Charly El Cumbiero.

Recording identifiers

ISRC
ARFQW1400398
CopyrightID (CopyrightChains transaction hash)
0x0be09558c3bab1312f5daae24fc68ce13cb55e16f9aab866e7b899fff82707e6
Copyright registration time
2026-07-31T08:48:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T09:09:19Z
Bitcoin block
960376
Canonical record hash
sha256:fbbb8ce9140d290a2aa0e24ba2a57509cc744ee848fb1fc68cf04e328a082b3f

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.