Sem Tinta

Recording by Jorge Guedes & Família.

Recording identifiers

ISRC
BRACT1300227
CopyrightID (CopyrightChains transaction hash)
0x8c331c256892d0d688e7cfc3d057cba9fba2992b1b2cae184f96b42cd1059d2b
Copyright registration time
2026-06-10T07:28:42+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:8d69d3a129f7bf5abf2adc97d730f1ad745c98af8f520875430e91bcf263fcec

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.