Madrugada, Princípio ou Fim

Recording by João Martins.

Recording identifiers

ISRC
BRZ721200009
CopyrightID (CopyrightChains transaction hash)
0xea8d61ca13aae95c10b6d2f21a6c6a2eb7011105f3f4a0452dcd1dd209f3c7ae
Copyright registration time
2026-07-30T04:46:33+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T05:15:54Z
Bitcoin block
960209
Canonical record hash
sha256:b87d6c75b4065912388e76ce62524e2528cdb6b4bc5ca524cb63ea4d2d0f2299

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.