Sur un fil

Recording by Márcio Faraco.

Recording identifiers

ISRC
QZNWT2151202
CopyrightID (CopyrightChains transaction hash)
0x8d706645647d1c8eb8fd98500f156ea95cb942d79e920b48ac937f5609597497
Copyright registration time
2026-07-06T02:08:03+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:360fc64de31338826233ee03136db835a13ff162a7bd09191bb2911472410f8d

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.