KeeeX Timestamp Certificate

1wHwpfRn3XB92KhFrvdexBzEPpWoycEd3GyWqEJ

Anchored on the Bitcoin Blockchain

This document is a static immutable timestamp certificate.

Download: 1wHwpfRn3XB92KhFrvdexBzEPpWoycEd3GyWqEJ.html

1wHwpfRn3XB92KhFrvdexBzEPpWoycEd3GyWqEJ
6121d7195ddacc7cc0c29eebc96b831a4a593a00cfdb1f556f1ad47bb95ddd56
BlockCypher.com Blockchain.info Blocktrail.com
Thu Aug 10 18:00:01 UTC 2017
List of files timestamped in this transaction:
  • xifez-byved-pynah-gyvod-nibag-tekad-lapak-kohef-temol-kesiv-ralot-zacam-sevar-poluh-mivat-vymiz-duxox
    1nPhASTFTKgGVPBnyAtC6hNPJiTMgZ6oGwYUzua
    2017-08-10 13:00:09.0
  • xehir-byreh-pasac-tikad-vepys-savac-cotuf-becyt-ladyb-zucas-hidil-pefec-gogis-napet-pitub-cugop-tyxex
    2FxEGBD6U1EFXP1cdMW6YNiqFh3fEk2fuxdiKs1
    2017-08-10 14:26:58.0
  • xefom-tyril-fipud-tofas-fygav-penyk-tylun-vybud-rinoz-daser-bypur-gifed-gazeg-zilat-dubil-mygol-myxox
    1QxhfEd34kvZoLHWCXarYM6EtBnzQLjWiKEHmcT
    2017-08-10 14:31:07.0
  • xufim-pevob-doral-gagig-vemaf-homyz-magos-nerav-dalov-pehyz-hapip-hudin-ticyd-hical-bukip-vupir-dixox
    2pPjCqwJ9BbF56jtPpiEPYaDEnmXhNzZnVb4WSs
    2017-08-10 14:33:14.0
  • xubor-ceryl-hybak-tihuk-bitok-nyhel-zapig-marit-rimyt-kuzur-tacac-devyd-sapyz-nykuv-vadod-potyn-tuxix
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    2017-08-10 14:34:13.0
  • xunot-kagic-figac-gomeg-rohol-pabyd-supat-mivyb-necom-sazug-fyvir-duryl-kiceh-fosat-cysav-tykam-zexax
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    2017-08-10 14:40:25.0
  • xumad-dynot-sabir-lymec-duhaz-duvop-cuzap-hukyk-bumyb-bisit-zapin-macuz-sivan-pakis-getid-reked-lexex
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    2017-08-10 14:41:56.0
  • xihim-cyvig-hasin-kyvid-loper-sedyk-zerez-zevuc-zytob-domim-mymah-dihip-sedov-dibur-cezar-duziz-vyxex
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    2017-08-10 14:43:43.0
  • xeseg-dityr-deves-gozob-kuvah-zozif-gazac-nydut-pubyh-cesot-cyvir-gyvyg-gekuv-kodoz-fener-gyzur-roxyx
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    2017-08-10 14:51:22.0
  • xugek-dilup-ticaf-nyzud-hybik-dinag-kopas-nugav-peryf-satap-gidyf-fubip-nivep-pyveg-tyrol-tylaz-goxyx
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    2017-08-10 14:54:33.0
  • xeceh-mitug-kuzav-tovyn-misoh-hilis-coned-honul-kyzim-hakot-gehev-denin-titon-bikam-zuzag-cyvir-rixax
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    2017-08-10 14:54:54.0
  • xoles-fofil-delin-pimoh-suduh-niluc-figef-vusyk-segih-gihab-cepem-cihif-lakyb-zonuk-zonig-sizos-duxyx
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    2017-08-10 14:55:11.0
  • xevec-cefes-fezup-necol-bicab-gevyz-hyhad-kuras-vicop-roliv-vigif-kecut-zapep-salyg-tovuv-mytis-kyxex
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    2017-08-10 14:55:26.0
  • xolor-tymiz-hoval-merun-vemif-peduk-sakuh-ficuf-degoh-buruz-virav-puzig-migum-puros-temuh-goded-puxox
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    2017-08-10 14:57:10.0
  • xorob-rahob-rulud-matov-hypug-gesap-roluv-gecyh-bafyk-bonot-zeryb-luzuh-piveg-nufub-kulyd-vasep-lexox
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    2017-08-10 14:58:15.0
  • xonom-pasup-zudyp-zuzuk-sufot-panyz-cifeb-cymyh-lakaf-kugir-lynet-puvyk-vomub-vokyg-pisez-sacen-tuxix
    1tAmAEx37YR6N5Y8UngdvwbGn1m2kKQSGecmstg
    2017-08-10 14:58:25.0
  • xupoc-pivad-nuzup-becur-gyzom-gizyl-ryzic-synak-tavel-minyn-rocuv-puhat-durec-kakoc-dotib-hecac-bexex
    3QBcfLpR3DGF19Zj4i21drGbfPwkQAVvjTzWkPd
    2017-08-10 15:04:07.0
  • xovac-nevod-myhuf-kopoc-fybyc-hinik-vugel-kirig-mazyp-cipoh-cahag-pykyd-sufaf-pohat-cimuc-vuryn-mixyx
    2MsEoFt3EaxavP5rwgTHzFT6L8Yas5E4nWt4Lgh
    2017-08-10 15:04:18.0
  • xohik-dohoz-fybug-nobyk-nukib-lobek-ceken-syhos-lytyv-pirac-hylem-basul-bulit-rakep-ziluz-fofep-syxyx
    2o9RoorMU2Mw8MEQWTzqstdcf2a3apLJCn9mAdx
    2017-08-10 15:09:16.0
  • xihar-zyvem-hekuc-ceboc-kulag-zecys-zykuc-sacyp-logyr-cubum-benaf-nytyn-tytyt-zityc-zurap-vuged-coxix
    1xwjv3UnA83LoD6b6hP2WK8o9MPQ94neXWqsyTh
    2017-08-10 15:09:24.0
Technical Explanations

This certificate mentions file identifiers (also known as KeeeX 'idx') that are computed from sha256 hashes that cannot under the current state of technology be counterfeited. No two distinct files can share the same identifier.

The KeeeX server produces a certificate summary like this one every 6 hours. This timestamp certificate may hence adequately seen as a kind of sidechain, that prevents from pushing too many transactions on the Bitcoin blockchain. It also mutualizes the cost of timestamping of course, which allows KeeeX to provide this as an unlimited service.

This certificate displays at the top below its own b58 encoded identifier computed from an sha224 hash. These settings produce a 39 character string that fits within the current 80 byte Bitcoin blockchain limit. Again, under the current state of the technology, it is not possible to counterfeit this identifier by producing another certificate file with the same id.

This certificate's id has been registered as OP_RETURN data on the Bitcoin transaction above that can for your convenience be verified by following the links below. The present certificate file hence creates a proof chain from the Bitcoin blockchain ledger to your file, that provides evidence that at the transaction date you had knowledge of the identifier of your file, which you may or not have decided to keep private or share publicly. This idx does not by itself expose your data in any way. By using KeeeX, you also have a chance to digitally sign your original file.

Although KeeeX will make its best efforts to keep this certificate accessible and indexable by search engines, we cannot guarantee this. If some file identifiers are of interest to you it is thus your responsibility and interest to download it and make sure to preserve it indefinitely. Once downloaded, you may verify its integrity using the KeeeX app. Depending upon its version, the KeeeX app may automatically retrieve this file on your behalf.

You may wonder why we chose to mutualise this certificate for potentially a large number of files. The reason is that a single certificate may provide a proof of existence for an unlimited number of files and no blockchain, Bitcoin inclusive, is designed to satisfy the massive notarisation needs, since both the block size and rate are constrained.