O Curioso Caso de Robson

Recording by Yago Oproprio.

Recording identifiers

ISRC
QZMZ92071442
CopyrightID (CopyrightChains transaction hash)
0xed1f5fe25c1414996a08c0d630b3add74b5281a112a1ce449abf7350035294f0
Copyright registration time
2026-06-05T04:36:29+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T12:47:07Z
Bitcoin block
953513
Canonical record hash
sha256:b6b09d4f33e77a3a48eeb043f5863ec0b979240545a6164629fae8f4feda3b22

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.