専門は中国古代文献学、戦国・秦・前漢時代史。『戦国七雄興亡史』（中公選書）2026年8月7日刊行。お仕事、絶賛募集中。
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📖『戦国七雄興亡史』（中公新書）の特徴
link.amazon/B0iewZ7em
①従来のエピソード集型を廃して年代記風に戦国史を展開。
②複雑な戦国史をすっきり整理。
③読みやすさの秘訣は、第5章は燕の楽毅と斉の田単、第6章は楚と秦というように、軸となる国や事件・人物をかたまりとして絞り込んだこと。
秋山陽一郎 retweeted
佐藤信弥『中国古代王権の礼制と歴史認識ー金文とはいかなる史料なのか』（志学社）の第二部（説話と歴史認識の展開）読了。西周から戦国秦漢にかけて太公望や三監の乱、共伯和などの歴史像の変化の過程が示される。春秋期の西周の記憶が諸侯の正統性確立の素材に過ぎなかったという指摘も参考になる。
秋山陽一郎 retweeted
Happy 35th Birthday HTML tags!
On October 29, 1991, the internet pioneer, Tim Berners-Lee, published a document entitled HTML Tags.
The document contained a description of the first 18 HTML tags: <title>, <nextid>, <a>, <isindex>, <plaintext>, <listing>, <p>, <h1>…, <address>, <hp1>…, <dl>, <dt>, <dd>, <ul>, <li>,<menu> and <dir>.
ALT On October 29, 1991, the internet pioneer, Tim Berners-Lee, published a document entitled HTML Tags.
秋山陽一郎 retweeted
【レポート】「夢見る建築―中国古代の明器に宿る建築の断片」古代中国の人々が抱いた祈りと願いが時空を超えて現れる～愛知県陶磁美術館で12月20日まで artexhibition.jp/topics/news…
秋山陽一郎 retweeted
BREAKING: Claude Code found 14,219 photos of my face on my Android that I never took. Phone was secretly taking them almost every time I picked it up. Even when I was just lying in bed. Even at home.
Not screenshots. Real frames from the front camera. On the train. In the car. At home. When I just grabbed it to check the time.
They were just sitting in a system cache. Timestamps and GPS on them. Nothing in Gallery. Nothing in Recently Deleted.
Plugged the phone into my laptop, made a full backup, told Claude Code to look for any front-camera files that weren’t in my photos. It pulled /data/system/users/0/faceunlock/cache and another folder inside Google Play Services. Over 14 thousand files. Normal ones and infrared from Face Unlock. Every single one had time and location.
Started scrolling. Almost everything from the last 15 months. Then I saw a file created 2 seconds ago. I was still looking at the folder. Phone kept taking photos while I was reading this.
Google and the phone makers say Face Unlock turns everything into a mathematical model and deletes the image right away. On this phone the raw frames were just sitting there. Some of the processes writing to that folder were from system diagnostics. Couple of old apps that still had camera permission could also get in.
Turned off diagnostics, revoked camera access from everything that doesn’t need it, cleared the cache. But how many of these frames already went somewhere else, I don’t know.
If you want to check yours, plug it in, make a full backup or use ADB, and ask Claude to look for front-camera files outside your Gallery. Path above is where mine were.
Claude Code found 145,763 photos I permanently deleted from my iPhone.
Three years of deleted photos and videos still sitting in a hidden cache. Any app with file access can read them.
I plugged my iPhone into my MacBook to run a backup. Claude Code was doing the security audit from my last post and flagged a directory I wasn't even looking for.
PhotoData/Thumbnails. Over 146,000 files. Photos, videos, screenshots. Every single one was something I deleted.
Photos from 2023, 2024 and 2025. The ones I deleted the second after taking them. The ones I cleared from Recently Deleted. The ones I deleted three separate times because I wanted to be sure they were gone. All still there.
Passport photo I took for a visa application in 2023.
Screenshots of my bank app with full account numbers visible.
Private photos I sent someone and immediately deleted after a breakup.
Screenshot of my crypto seed phrase I took temporarily in 2022.
Photo of my ID and credit card I took to remember the numbers and deleted 5 seconds later.
Screenshots of my ex's private Instagram stories I saved and permanently deleted in 2023.
Some were full resolution. All organized by date going back to 2021.
When you delete a photo on iPhone, iOS removes it from your camera roll and Recently Deleted. It keeps a compressed copy in a Spotlight search index cache so your phone can find things when you search. Apple never clears it. Not after 30 days. Not after a year. Never.
They told you it was permanently deleted. It wasn't.
I checked which apps on my phone had Files and Folders access. 23 apps. Weather apps. QR code scanners. PDF readers. A flashlight app I downloaded in 2022. Any one of them could have been reading every photo I ever deleted this entire time.
Went from 23 apps to 3 in about two minutes.
Full step by step below. Takes 2 minutes. Save it so you don't lose it and send it to anyone with an iPhone.
Readers added context they thought people might want to know
The video is an old, misappropriated clip from 2023, and the accompanying claims are fabricated.
x.com/HarshithLucky3…
秋山陽一郎 retweeted
遊び道具は、所謂「天九牌」とのこと。記事に大きめの写真が載っていますが、本当に天九牌（宣和2年に徽宗に献上された記事が後世の文献に見えるので「宣和牌」とも）でした。まさか本当に12世紀はじめまで遡るのかな……
【元寇の船から「遊び道具」発見】
news.yahoo.co.jp/pickup/6600…
