Contagem Regressiva

Recording by Anderson Freire.

Recording identifiers

ISRC
BRMKP1801104
CopyrightID (CopyrightChains transaction hash)
0x97c9f06594c0e75f1cfb9adccb07a682e7fe615015bbf7f9a8ad53885b0ffe4a
Copyright registration time
2026-06-09T07:36:14+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-06-13T13:32:09Z
Bitcoin block
953520
Canonical record hash
sha256:b40ea80e24ae8039461d36b16b79d8842145d975f246553b040da28642fd50de

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.