[{"data":1,"prerenderedAt":379},["ShallowReactive",2],{"project-31637150":3},{"id":4,"name":5,"line":6,"line_source":7,"title":8,"url":9,"domain":10,"maker":11,"posted_at":12,"year":13,"points":14,"comments":15,"rank_in_year":16,"shown_in_year":17,"top":18,"tier":19,"category":20,"subcategory":21,"format":22,"keywords":23,"reception":28,"sentiment":29,"stance_mix":30,"scored_comments":34,"aspects":35,"strip":37,"post_text":40,"what":41,"said":56,"maker_in_thread":170,"shape":179,"grid":183,"attempts":341,"same_week":342,"maker_shows":181,"maker_hidden":371,"reader_version":372,"card":373},"31637150","Seal","Verifiable timestamp for your private ideas","title","Show HN: Seal – Verifiable timestamp for your private ideas","https:\u002F\u002Fdocs.planet.ink\u002Fdata\u002Fseal\u002F","docs.planet.ink","losfair",1654488036,2022,113,65,552,2570,22,"notable","security_privacy","timestamping","web_app",[24,25,26,27],"timestamp","proof of existence","certificate transparency","prior art","curious",-0.126,{"positive":31,"neutral":18,"mixed":32,"critical":33},3,0,11,36,{"idea":36},{"positive":31,"critical":33},[38,32,32,32,32,32,39,32,32,31,31,38,38,38,32,31,32,31,38,31,32,32,31,31,38,38,38,31,31,38,31,38,32,39,32,31,31,31,32,39],1,5,null,{"problem":42,"audience":40,"pricing":40,"motivation":40,"time_to_build":40,"stack":54,"openness":55,"stage":55,"team_size":55},{"value":43,"source":44,"evidence":45},"Proving an idea or document existed at a given time without revealing it","inferred",[46,50],{"id":47,"by":48,"text":49},"31638228","headsoup","I'm not sure what the value proposition is here. Is the idea that you want to use this later to tell others you had the idea first, or to protect your IP? If so, I could…",{"id":51,"by":52,"text":53},"31637925","IshKebab","If you want to prove you had an idea first, or something like that.",[],"unknown",{"praise":57,"objections":74,"requests":124,"questions":130,"alternatives":142},[58],{"value":59,"source":60,"evidence":61},"Good concept and hack","commenter",[62,66,70],{"id":63,"by":64,"text":65},"31637172","jschveibinz","I like this concept! Good luck with this.",{"id":67,"by":68,"text":69},"31637443","philips","I love these sorts of hacks. In fact I did something similar with a project called rget[1] two thoughts: 1. My project got politely asked to not use the ct log and lets encrypt…",{"id":71,"by":72,"text":73},"31638009","anilgulecha","This is a good hack, even with some very light abuse (once per 12 hours) of CT logs. I don't see the need to build new tech though. It should be trivial to build a CRUD layer…",[75,86,102,114],{"value":76,"source":60,"evidence":77},"Abuses Certificate Transparency logs",[78,82],{"id":79,"by":80,"text":81},"31637809","sam_lowry_","Abusing CT log is unethical. For practical purposes DKIM signatures in emails would do the trick. Write an email to yourself, or to someone you trust, its DKIM will include the…",{"id":83,"by":84,"text":85},"31639213","dlor","A bunch of comments below indicated that this is technically an abuse of the CT logs. Feel free to use Sigstore instead for this, it's basically the same architecture as CT logs…",{"value":87,"source":60,"evidence":88},"Existing timestamping standards and services already exist (RFC 3161, OpenTimestamps, Sigstore)",[89,93,97,101],{"id":90,"by":91,"text":92},"31638480","vjaswal","As another commenter noted, there's a general internet standard defined already for cryptographically timestamping and signing digital artifacts, like JARs, PDFs, dotNet…",{"id":94,"by":95,"text":96},"31638090","eps","Alternatively, every large CA maintains a public TSA server (time-stamping authority), because it's an integral part of the code signing framework. These are meant for high…",{"id":98,"by":99,"text":100},"31640752","kanzure","There's also https:\u002F\u002Fopentimestamps.org\u002F for timestamping into the bitcoin blockchain using a 'calendar aggregation' concept. Clients get back a merkle tree of hashes that can be…",{"id":83,"by":84,"text":85},{"value":103,"source":60,"evidence":104},"Unclear value proposition beyond patents, which have moved to first-to-file",[105,106,110],{"id":47,"by":48,"text":49},{"id":107,"by":108,"text":109},"31637951","onethought","Outside of patents, which is already a thing, with a very large legal framework around it. Why is that important?",{"id":111,"by":112,"text":113},"31638725","geraldwhen","Under Obama, the America invents acts switched patent IP ownership to first to file. Inventing something first no longer matters in patent law.",{"value":115,"source":60,"evidence":116},"Timestamps can be faked or the trust model is weak",[117,121],{"id":118,"by":119,"text":120},"31638602","madeofpalk","They can be faked. This, supposedly, cannot.",{"id":122,"by":52,"text":123},"31637929","It's verifiable. Your approach is just \"trust me bro\".",[125],{"value":126,"source":60,"evidence":127},"Use Sigstore instead of CT logs",[128,129],{"id":83,"by":84,"text":85},{"id":67,"by":68,"text":69},[131],{"value":132,"source":60,"evidence":133},"What is the use case and who would use it",[134,138],{"id":135,"by":136,"text":137},"31637816","productceo","Seems like an interesting problem, but I have zero background knowledge. Could you share who would use this and why?",{"id":139,"by":140,"text":141},"31638594","Trufa","The only thing I don't get, and forgive me if it's a dumb question, what's the difference with say sending yourself an email\u002Fmaking a github repo\u002Fentry\u002Fany timestamped note?",[143,147,151,155,162],{"value":144,"source":60,"evidence":145},"RFC 3161 timestamp authorities",[146],{"id":90,"by":91,"text":92},{"value":148,"source":60,"evidence":149},"OpenTimestamps (Bitcoin)",[150],{"id":98,"by":99,"text":100},{"value":152,"source":60,"evidence":153},"Sigstore",[154],{"id":83,"by":84,"text":85},{"value":156,"source":60,"evidence":157},"Zeitgitter",[158],{"id":159,"by":160,"text":161},"31638638","lichtenberger","As far as I understand there's also Zeitgitter[1], to provide similar proof. [1] https:\u002F\u002Fgithub.com\u002Fzeitgitter\u002Fzeitgitterd",{"value":163,"source":60,"evidence":164},"Emailing yourself or posting hashes publicly",[165,166],{"id":139,"by":140,"text":141},{"id":167,"by":168,"text":169},"31641696","nstart","For anyone who’s interested in a quick and dirty way to do it, I just post the sha256 to Twitter\u002Fsome public forum and reveal when I feel like it",{"comments":171,"answered":38,"key":172},2,[173,176],{"id":174,"text":175},"31638492","I previously came across TSA but it seems that they don't log to a public ledger like the CT log?",{"id":177,"text":178},"31638533","PKI works nicely under its presumptions, but a public ledger (like CT where TLS certificates are logged to) is a useful enhancement to it. That way you can actually verify things…",{"commenters":180,"max_depth":39,"maker_replies":171,"first_comment_mins":181,"lifespan_hours":182},45,8,226,[184,186,190,193,195,198,200,203,205,207,209,211,213,215,216,217,220,223,225,228,230,231,234,236,239,241,245,248,250,253,255,257,260,263,265,267,270,272,274,275,276,278,279,282,283,286,288,289,293,296,299,302,306,309,311,314,316,318,320,322,326,330,334,337,339],[90,32,38,185,91,32],"project\u002Fcritical\u002Fidea",[187,32,32,188,189,32],"31640565","commenter\u002Fneutral\u002Fnone","layer8",[191,32,32,188,192,32],"31640936","smileybarry",[194,32,32,188,189,32],"31643440",[196,32,32,188,197,32],"31649239","password4321",[199,32,32,188,192,32],"31653094",[201,32,32,188,202,32],"31642236","huhtenberg",[204,32,32,188,189,32],"31643396",[206,32,32,188,197,32],"31649382",[67,38,39,208,68,32],"project\u002Fpositive\u002Fidea",[94,171,31,210,95,32],"project\u002Fneutral\u002Fidea",[174,171,32,212,11,38],"maker\u002Fneutral\u002Fnone",[214,171,32,188,95,32],"31638514",[177,171,32,212,11,38],[98,31,31,210,99,32],[218,31,31,210,219,32],"31646920","DreamFlasher",[221,31,31,210,222,32],"31652145","moralestapia",[224,31,38,185,99,32],"31727982",[226,31,32,227,99,32],"31753350","other\u002Fneutral\u002Fnone",[83,229,31,210,84,32],4,[79,39,38,185,80,32],[232,39,38,185,233,32],"31637828","redfast00",[235,39,32,188,80,32],"31638210",[237,39,32,188,238,32],"31640197","lupire",[240,39,32,188,52,32],"31637949",[242,243,31,210,244,32],"31638793",6,"RicoElectrico",[246,243,32,188,247,32],"31642732","leaflets2",[47,249,31,210,48,32],7,[251,249,32,227,252,32],"31639238","XorNot",[254,249,38,185,48,32],"31639791",[256,249,31,210,238,32],"31640165",[258,249,31,210,259,32],"31641679","realharo",[261,249,32,227,262,32],"31640994","elil17",[264,249,32,227,252,32],"31642957",[266,249,32,227,262,32],"31643494",[268,181,31,210,269,32],"31639503","RcouF1uZ4gsC",[167,271,31,210,168,32],9,[135,273,31,210,136,32],10,[51,273,31,210,52,32],[107,273,38,185,108,32],[277,273,38,185,52,32],"31637967",[111,273,38,185,112,32],[280,273,38,185,281,32],"31637974","self",[159,33,31,210,160,32],[284,33,31,210,285,32],"31639266","transpa-regency",[139,287,31,210,140,32],12,[118,287,31,210,119,32],[290,291,38,185,292,32],"31637957",13,"arvindsgulati",[294,291,31,210,295,32],"31638240","olejorgenb",[297,291,31,210,298,32],"31638642","gusan",[300,291,38,185,301,32],"31638901","tjpnz",[303,304,32,227,305,32],"31637891",14,"greenhorn123",[307,304,32,188,308,32],"31638629","ithkuil",[71,310,39,208,72,32],15,[312,310,32,188,313,32],"31638086","michaelmior",[315,310,32,188,80,32],"31638238",[317,310,32,188,313,32],"31638486",[319,310,31,210,285,32],"31639312",[321,310,32,188,313,32],"31653606",[323,324,31,210,325,32],"31644881",16,"mleonhard",[327,328,31,210,329,32],"31637832",17,"pearjuice",[331,328,32,332,333,32],"31637859","commenter\u002Fneutral\u002Fidea","Skunkleton",[335,328,32,332,336,32],"31638459","zarzavat",[122,328,32,338,52,32],"commenter\u002Fcritical\u002Fidea",[63,340,39,208,64,32],18,[],[343,348,353,358,362,367],{"id":344,"name":345,"points":346,"category":347},"31607318","webOS Archive",439,"infrastructure",{"id":349,"name":350,"points":351,"category":352},"31595822","Svelvet",354,"dev_tools",{"id":354,"name":355,"points":356,"category":357},"31653726","The Bitcoin Note",344,"finance_crypto",{"id":359,"name":360,"points":361,"category":20},"31668814","Spiral Wiki",331,{"id":363,"name":364,"points":365,"category":366},"31593726","quaxio.com",281,"games",{"id":368,"name":369,"points":370,"category":347},"31657527","Umbrel",225,false,"v2",{"id":374,"name":5,"line":6,"ai":371,"cat":20,"year":13,"points":14,"comments":15,"rec":28,"s":375,"top":18,"kw":376,"maker":11,"domain":10,"tier":19,"attempts":32,"strip":377,"url":9,"mix":378,"praise":59,"objection":76,"sub":21},31637150,-0.13,[24,25,26,27],"1000005003311103031300331113313105033305",[31,18,32,33],1794036621146]