Que Que Isso, Doutor?

Recording by Ana Muller.

Recording identifiers

ISRC
BCPEK2000014
CopyrightID (CopyrightChains transaction hash)
0xeb9baa3fde5cf54fa1cdb809a3eca46f3069abbb9e392c6c195731fe567c8543
Copyright registration time
2026-07-07T02:29:13+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-08T03:20:19Z
Bitcoin block
957118
Canonical record hash
sha256:e77961ac5af8c0b766939dff11454a9b9f36565f46705a8859d61d660fbc5dc6

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.