Cara A Cara

Recording by Ângelo Freire.

Recording identifiers

ISRC
PT6FK2300053
CopyrightID (CopyrightChains transaction hash)
0xb646879f50c0336bce575ddcc25705a898727197edaabe16d1241c9e5228f115
Copyright registration time
2026-07-31T21:14:37+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T21:25:57Z
Bitcoin block
960468
Canonical record hash
sha256:1e4b5a6cddccd0ba8eae33d62f80fe3246f98b73a306d7d1a14794c7b2b25f0f

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.