20 de Março

Recording by André Albernaz.

Recording identifiers

ISRC
BKTCP2500008
CopyrightID (CopyrightChains transaction hash)
0x1e42969469c9c93351573e15fe68d7cba3c1d031f0ab1dd6d0770d9f8c4bcc22
Copyright registration time
2026-07-30T13:51:36+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-30T14:36:16Z
Bitcoin block
960264
Canonical record hash
sha256:c36a21fa9169d24e595bf5b508f63ff322dd2454038fa852eb0a62ee06388536

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.