Marcas do Tempo

Recording by Miguel Marques.

Recording identifiers

ISRC
BRTMV0500178
CopyrightID (CopyrightChains transaction hash)
0xb5ad350de26b31648dd9fbdc3019960054d55e1424e3126c2a0d2c3360344413
Copyright registration time
2026-07-07T11:46:04+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:5e0f83e0037d71f480b219a70abdd2b8ca86f2b4e51464bd01c362af51f8b5c7

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.