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Legal Notice No. 065/SOMASI/RW/IX/2026: Gatot Gunarso (English + 中文 律师函)

Rahmat Wibowo·

Exhibit A-1: LinkedIn profile of Gatot Gunarso, listing Beihang University, Beijing

Bilingual edition (English and Simplified Chinese). Somasi No. 065/SOMASI/RW/IX/2026 is a formal legal notice I issued on 20 September 2026 to Gatot Gunarso, who lists himself as a PhD student at Beihang University in Beijing. The letter was issued in three versions (Indonesian original, English, and Chinese; the Indonesian original prevails if they differ). It is a demand letter, not a court finding, and I do not assert that he is guilty of any offence.

双语版（英文与简体中文）。本文为2026年9月20日向 Gatot Gunarso（其公开资料显示为北京航空航天大学博士研究生）发出的第065/SOMASI/RW/IX/2026号律师函之摘要。该函共有三个版本（印尼文原件、英文版、中文版），如有歧义以印尼文原件为准。此为警告函，并非法院认定；本人不主张收函人已构成任何罪行。

English

What the notice complains about

  1. A Threads reply on 20 September 2026 from the account @gatotgunarso123, stating (in my English rendering of the Indonesian original) that I am a "lunatic" who "tried to extort several people in the AI practitioners' group," "spammed everywhere," and "only has ChatGPT, a hacker-wannabe, script-kiddie style." The post I saw had 818 likes and 196 replies.
  2. A WhatsApp group message on 13 June 2026 in "KORIKA-IMPACT: Kesehatan," from an account named "孔明" that I attribute to him: "If he's a spammer, just kick him, sir," then "Scammer and Spammer, we won't miss you." I was removed from the group.

I state that I have never worked with him. I deny extortion: Art. 482(1) of the new Criminal Code requires violence or threat of violence, and the chat evidence shows only that I said I could file a complaint with the DPR. I attribute both accounts to him on my own information, and the letter invites a written denial with evidence.

Exhibit A-2: LinkedIn history showing PhD Student at Beihang University

Exhibit A-3: reply from the Threads account @gatotgunarso123

Exhibit A-4: WhatsApp group KORIKA-IMPACT: Kesehatan, 13 June 2026

Exhibit A-5: continuation of the WhatsApp conversation, showing my removal from the group

Copies and legal basis

Copies went to the Chair of KORIKA (Hammam Riza), Beihang University, and the Indonesian Embassy in Beijing, for information and any follow-up within each recipient's competence. Legal basis: Arts. 433(2), 434(1) and 441(1) of the new Criminal Code (Art. 436 as an alternative) and Civil Code Arts. 1365, 1372 and 1373; the letter also sets out Chinese law in characters and pinyin, including Criminal Law Art. 246. I calculated damages as twice the Art. 434 maximum fine plus one-third: IDR 533,333,334.

Demands (deadline: Wednesday, 23 September 2026, 09:00 WIB / 10:00 Beijing time)

  1. Delete the Threads post, the WhatsApp messages and all copies;
  2. Publish a public apology withdrawing the accusations and acknowledging he had no evidence;
  3. Stop further statements attacking my honour;
  4. Pay IDR 533,333,334;
  5. Provide written evidence, or a written denial of account ownership.

If unmet, I stated I would file a criminal complaint and civil suit in Indonesia and deliver copies to Beihang and KBRI Beijing; the letter also describes later-stage options including Interpol coordination and extradition, which I acknowledged is a last resort with no guaranteed outcome. I filed a separate ethics report (No. 066/PENGADUAN/RW/IX/2026) with Beihang University.

中文（简体）

函件所涉事项

  1. 2026年9月20日的 Threads 回复：账号 @gatotgunarso123 在他人帖子下留言（印尼文原文，此处为本人的转述），称本人是"疯子"，"曾试图向AI从业者群里的几个人敲诈"，"到处刷屏"，"只会用ChatGPT，是个脚本小子式的冒牌黑客"。本人所见该帖有818个赞、196条回复。
  2. 2026年6月13日 WhatsApp 群"KORIKA-IMPACT: Kesehatan"中的消息：本人认定属于其所用的账号"孔明"写道："如果是刷屏的人，直接踢掉吧"，随后写道："诈骗犯和刷屏者，我们不会想你的。"本人随后被移出该群。

本人在函中声明从未与其直接共事，因此其无从获知本人个人或职业行为之第一手情况。本人否认敲诈：印尼新刑法第482条第1款要求以暴力或暴力威胁强取财物，而聊天证据仅显示本人称可以向国会（DPR）投诉，这属于合法的投诉渠道。据本人所知，对方并未就"敲诈""诈骗犯""刷屏"提出证据。两个账号均系依据本人所掌握的信息归属于对方，函中已邀请对方在期限内以书面并附证据予以否认。

抄送对象

抄送印尼人工智能研究与创新合作组织（KORIKA）主席 Hammam Riza（因部分行为发生于其领导的组织内之群组）、北京航空航天大学（研究生院、校长办公室、国际学生办公室，因其公开资料显示其为该校博士生）、印尼驻北京大使馆（因双方均为印尼公民，且行为发生时对方居住于北京）。抄送仅供知悉及由各收件方在其职权范围内自行决定是否跟进，不预设任何法院之认定。

法律依据与损害赔偿计算

印尼法：新刑法（2023年第1号法）第433条第2款（书面诽谤）、第434条第1款（诽谤/捏造事实）、第441条第1款（利用信息技术加重三分之一），第436条为备位；民法典第1365、1372、1373条。函中另以汉字与拼音列出中国法相关规定，包括《刑法》第246条（自诉）及民事救济。损害赔偿以第434条最高罚金2亿印尼盾加三分之一（266,666,667印尼盾）之两倍计算，即 533,333,334印尼盾。

要求事项（期限：2026年9月23日星期三 09:00 WIB，北京时间 10:00）

  1. 删除 Threads 帖文、相关 WhatsApp 消息及其传播的一切副本；
  2. 在 @gatotgunarso123 及 WhatsApp 群中发布公开道歉，撤回"敲诈""诈骗犯""刷屏""疯子""冒牌黑客"等指控，并承认自己没有依据、从未与本人共事；
  3. 停止一切攻击本人名誉之言论；
  4. 赔偿533,333,334印尼盾；
  5. 提供其指控之书面证据，或者如否认拥有相关账号，则提供书面否认。

期限届满后，本人表示将在印尼提出刑事告诉及民事诉讼，并将副本送交北京航空航天大学及印尼驻北京大使馆；函中亦描述了后续阶段的可能措施（包括通过国际刑警组织协调及引渡请求），并承认引渡是最后手段，且无法保证任何结果。本人另向北京航空航天大学提交了学术道德/学生行为举报（编号 066/PENGADUAN/RW/IX/2026）。

Limits of this record | 本记录的限制

  • This is my account and my legal reading; no court or authority has made a finding. 这是本人的陈述和法律理解，没有法院或机关作出认定。
  • I attribute the accounts to him on my own information, and he may deny that. 账号归属系依据本人所掌握的信息，对方可予否认。
  • I am not a lawyer; this is not legal advice. 本人不是律师，本文不构成法律意见。

Right of reply | 答辩权

Mr. Gatot Gunarso is invited to respond, correct, or add context; a substantive reply may be published alongside this article. 欢迎 Gatot Gunarso 先生回应、更正或补充说明，实质性回应可与本文并列刊登。

English-only edition: Legal Notice No. 065 (English).

#Somasi #律师函 #Defamation #LegalNotice #AcademicIntegrity

Rahmat Wibowo, Founder & CEO, InfraLoka — infraloka.co.id