Jack de Maçã Verde

Recording by Mc Duka.

Recording identifiers

ISRC
BKFUX2300654
CopyrightID (CopyrightChains transaction hash)
0x44eb90488e222f725932ed19745fa83a079f23363e0993cf77d3b85a3083a5f4
Copyright registration time
2026-07-06T09:33:01+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-07T16:07:00Z
Bitcoin block
957061
Canonical record hash
sha256:07825a8630189119a3f20e51eb2abb6dfbc365183e6b122135656e72cc835555

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.