Único: Frio da Madrugada

Recording by William Santos.

Recording identifiers

ISRC
BRTW82200017
CopyrightID (CopyrightChains transaction hash)
0x9c6aec1aa3bd4c324187cd306af8c1a30d8b4a8d5cd6207d95e9a17b0aba49a9
Copyright registration time
2026-07-31T18:37:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-31T18:48:12Z
Bitcoin block
960448
Canonical record hash
sha256:cb50fbe037fae23989ba3457d50bc3c7a158a461a68e2573be5f2ed589894c84

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.