A contenção

Recording by Samuel Úria.

Recording identifiers

ISRC
PTNS12000017
CopyrightID (CopyrightChains transaction hash)
0xb57354fb87a0d90c57a12e039ff2f01715169e6a0ab90dd67287fa44cd1abc18
Copyright registration time
2026-06-22T12:59:38+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-02T03:55:08Z
Bitcoin block
956304
Canonical record hash
sha256:0bfdd475ef77a11e577f73571c8a6bb27491ef627e447e088a3abe92b2fafb70

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.