A Tulha

Recording by Nando Reis.

Recording identifiers

ISRC
BR7OQ2400002
CopyrightID (CopyrightChains transaction hash)
0x493283a59f048e39eec82d1a8de831cc83c345f8f39c65c1063ffefa479620ea
Copyright registration time
2026-06-19T09:22:16+00:00

OpenTimestamps proof evidence

Bitcoin-attested timestamp
2026-07-06T06:56:49Z
Bitcoin block
956889
Canonical record hash
sha256:ba7d3cdb1be54d9dd853c0baebcbace992a7695dc8bffb2989ed5b9cc58dcd87

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.