Pergunta Atrevida

Recording by Katia Guerreiro.

Recording identifiers

ISRC
PTKG12200105
CopyrightID (CopyrightChains transaction hash)
0x9b279bb27618b670bd6cc9aec70a97508d140256beb537f920ed7e29ea00de81
Copyright registration time
2026-07-30T12:23:55+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T12:45:34Z
Bitcoin block
960258
Canonical record hash
sha256:db2fa2104c5f44b796ea523b36cbce9b165d06d398b1dc9296349ee5a4893a13

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.