Sábado À Tarde

Recording by Paulo de Carvalho.

Recording identifiers

ISRC
PTUM19900101
CopyrightID (CopyrightChains transaction hash)
0x8461bf0a47e57e346926484e2eb08a0f5d6fdc3073dec599a1405940f409d2bc
Copyright registration time
2026-06-17T08:45:57+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-17T19:07:14Z
Bitcoin block
954130
Canonical record hash
sha256:b1e662a4453ab9ce459d1e7a0e8a1be58e910067068a318f310eb68e8a7e077c

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.