https://hackerpaper.kaipfister.de/p/0911.0454/Collected HN comments and submissions linking this paper.enMon, 02 Nov 2026 11:16:22 GMThttps://news.ycombinator.com/item?id=18699675urn:hackerpapers:mention:0911.0454:18699675Mon, 17 Dec 2018 15:52:01 GMT<p>Complexity systems researcher, Didier Sornette, did something similar in 2009 for [The Financial Bubble Experiment: advanced diagnostics and forecasts of bubble terminations](0): • ...We do not make this document public. Instead, we make its digital fingerprint public. We generate three digital fingerprints for each document, with the publicly available (1) MD5 hash algorithm [1] and (2) 256 and 512 bit versions of the SHA-2 hash algorithm [2] [3]. This creates three strings of letters and numbers that are unique to this file. Any change at all in the contents of this file will result in…</p><p><a href="https://hackerpaper.kaipfister.de/p/0911.0454/">Paper and discussion history</a>. A mention is not an endorsement.</p>q-fin.ST