Sur un fil

Recording by Márcio Faraco.

Recording identifiers

ISRC
QZNWS2123229
CopyrightID (CopyrightChains transaction hash)
0x05769a4da62efd37757382a4993e94d26b5eab960d91dc0d01241985866e2116
Copyright registration time
2026-07-07T09:34:35+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:c278f9cd44e45922b9d795bd13e2bb885bcbc4b3384fbdba05d6b4043adac0f8

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.