Lisboa - Ao Vivo

Recording by Katia Guerreiro.

Recording identifiers

ISRC
PTKG11200057
CopyrightID (CopyrightChains transaction hash)
0x2c5476d25db5b39fbe610f737ab7edd456f893447cff195d2b03f28aa699aa66
Copyright registration time
2026-07-30T23:45:11+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T00:26:26Z
Bitcoin block
960327
Canonical record hash
sha256:46c50767790143a65e817a9b401a754e59f98554438ba013ad749f2ee5170e12

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.