# Provenance & Authorship Fingerprint

- **Project:** php-s3
- **Author:** Lucky Yaduvanshi (codaipro) <https://luckyyaduvanshi.in>
- **Repository:** https://github.com/Luckyyaduvanshiofficial/php-s3
- **First Commit:** `f6a73f3a3f876694bd9ec6aba89ee859093a301f` — 2026-09-24T22:43:37+05:30
- **Initial Tree Fingerprint:** `cafa325a7805e647e60bc9e9a970682340356823`
- **License:** Apache License, Version 2.0

## Purpose & Priority of Authorship

This document establishes immutable cryptographic priority of authorship for the `php-s3` codebase, its architecture, and its implementation.

1. **Original Work:** All architectural specifications, handlers, SigV4 authentication engine, chunked stream decoders, and storage abstractions were conceived and authored by Lucky Yaduvanshi (codaipro).
2. **Derivative Requirement (Apache-2.0 § 4):**
   - Any fork, re-distribution, or derivative work based on this codebase MUST retain this `PROVENANCE.md` file in its entirety (§ 4(c)).
   - Any derivative work MUST retain the top-level `NOTICE` file (§ 4(d)) and `LICENSE` (§ 4(a)).
   - Any modified files MUST carry prominent notices stating that the files were changed (§ 4(b)).
   - Downstream maintainers MUST add a separate "Derived from" entry documenting the downstream maintainer without removing or altering upstream provenance.
3. **No Trademark or Endorsement Rights (Apache-2.0 § 6):** No third party may use the project name, author name, or trademarks to endorse or promote derivative products without prior written permission.
4. **No Claim of Original Authorship:** No third party may remove, rebrand, or obfuscate the original author identity or initial commit fingerprint recorded in this document.