Estranho

Recording by João Pestana.

Recording identifiers

ISRC
QZMEN2115325
CopyrightID (CopyrightChains transaction hash)
0xc63cb8999087cf7000ee0ad6c1ccfcefd8739a34808dcff20b714d9fb7354c7b
Copyright registration time
2026-07-06T09:34:20+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T14:41:13Z
Bitcoin block
957050
Canonical record hash
sha256:273d735eda097171d25e43006be9c0675f7257901f782fc52f48c71d20e30d3b

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.