Por Um Segundo

Recording by Bruno Nascc.

Recording identifiers

ISRC
BXSMM2300003
CopyrightID (CopyrightChains transaction hash)
0xc0a1c3d59e62eee49e77cab802b370e13fc087eeac21462de7884097602bc3e1
Copyright registration time
2026-07-31T02:01:10+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T02:19:15Z
Bitcoin block
960334
Canonical record hash
sha256:130fd35b9de6a486df0f2a6c610664484e020d16379f07c4d73e5e6e6bb8894f

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.