Sem Olhar pra Trás

Recording by Biig Paul.

Recording identifiers

ISRC
QZW9K2456161
CopyrightID (CopyrightChains transaction hash)
0xf2cca8c4b02e2ca08b532722dbdbf416305f5709df8339f97f0e7da875ef1eb3
Copyright registration time
2026-07-31T03:10:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T03:15:04Z
Bitcoin block
960340
Canonical record hash
sha256:9538b802ddf879a2a5f07992edd23d590a02ff14c50525994cf7dc1996dae8f9

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.