Opinião Construtiva

Recording by MC Cassiano.

Recording identifiers

ISRC
BX3SG2300167
CopyrightID (CopyrightChains transaction hash)
0x52de35114e0252a84a1b6ae2e23b48160d2102d78a766cd1e5751afe942b03cc
Copyright registration time
2026-07-29T10:59:18+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-29T11:07:37Z
Bitcoin block
960095
Canonical record hash
sha256:b62fdfd8b910103bcf69a843a463fdfe2358bfc2583f13f2e2f63f4709073bc5

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.