O Que Ouvi

Recording by João Não.

Recording identifiers

ISRC
ES71G2330320
CopyrightID (CopyrightChains transaction hash)
0x9f22d1a852e3cb1951ee11389d12a919d6d8db5446d948f230fa5649bd4bf8e7
Copyright registration time
2026-07-22T17:20:28+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-22T17:48:40Z
Bitcoin block
959159
Canonical record hash
sha256:b94e2f589420f9839bff6ab833631305542f281a87f1e709f18143651fb91cd8

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.