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The following Unicode-related documents record the purpose and process of defining specific characters in the Siddham block:
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! [[Unicode#Versions|Version]] !! {{nobr|Final code points<ref group=lower-alpha name=final/>}} !! class="unsortable" | Count !! [[Unicode#Versions|Version]] !! [[International Committee for Information Technology Standards|L2]] ID !! [[ISO/IEC JTC 1/SC 2|WG2]] ID !! class="unsortable" | Document
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| rowspan="13" | 7.0 || rowspan="13" | U+11580..115B5, 115B8..115C9 || rowspan="13" | 72 || rowspan="13" {{nobr| 7.0 || data-sort-value="1999-065" | [http://www.unicode.org/L2/L1999/siddham.pdf L2/99-065]}} || || {{Citation|title=Exploratory code chart for Siddham|date=1999-02-11|first=Michael|last=Everson|authorlink=Michael Everson}}
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| data-sort-value="2012-011R" {{nobr| [http://www.unicode.org/L2/L2012/12011r-siddham.pdf L2/12-011R]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4185.pdf N4185] || {{Citation|title=Preliminary Proposal to Encode the Siddham Script in ISO/IEC 10646|date=2012-05-03|first=Anshuman|last=Pandey}}
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| data-sort-value="2012-184" {{nobr| [http://www.unicode.org/L2/L2012/12184-goi-fdbk.txt L2/12-184]}} || || {{Citation|title=GOI Feedback on the various Indic related documents|date=2012-05-07|first=Swaran|last=Lata}}
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| data-sort-value="2012-221" {{nobr| [http://www.unicode.org/L2/L2012/12221-siddham-naming.pdf L2/12-221]}} || || {{Citation|title=Comments on naming the “Siddham” encoding|date=2012-06-28|first1=Vinodh|last1=Rajan|first2=Shriramana|last2=Sharma}}
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| data-sort-value="2012-237" {{nobr| [http://www.unicode.org/L2/L2012/12237-siddham-name.pdf L2/12-237]}} || || {{Citation|title=Comments on the name of the "Siddham" script|date=2012-07-11|first1=Stefan|last1=Baums|first2=Andrew|last2=Glass}}
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| data-sort-value="2012-274" {{nobr| [http://www.unicode.org/L2/L2012/12274-siddham-marks-fdbk.pdf L2/12-274]}} || || {{Citation|title=Recommendation against encoding ornamental punctuation marks for Siddham|date=2012-07-25|first=Shriramana|last=Sharma}}
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| data-sort-value="2012-279" {{nobr| [http://www.unicode.org/L2/L2012/12279-siddham-suppt.pdf L2/12-279]}} || || {{Citation|title=Comments of support for the adoption of Proposal to Encode the Siddham Script|date=2012-07-25|first1=Eijun|last1=Eidson|first2=Shoken|last2=Harada-Eidson}}
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| data-sort-value="2012-281" {{nobr| [http://www.unicode.org/L2/L2012/12281-siddham-suppt2.pdf L2/12-281]}} || || {{Citation|title=Comments of support for the adoption of “Proposal to Encode the Siddham Script in ISO/IEC 10646”|date=2012-07-25|first=Honkō|last=Yoritomi}}
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| data-sort-value="2012-277" {{nobr| [http://www.unicode.org/L2/L2012/12277-goi-input.pdf L2/12-277]}} || || {{Citation|title=GOI Feedback on the various Indic related document submitted to UTC|date=2012-07-26|first=Swaran|last=Lata}}
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| data-sort-value="2012-234R" {{nobr| [http://www.unicode.org/L2/L2012/12234r-n4294-siddham.pdf L2/12-234R]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4294.pdf N4294] || {{Citation|title=Proposal to Encode the Siddham Script|date=2012-08-01|first=Anshuman|last=Pandey}}
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| data-sort-value="2012-367" {{nobr| [http://www.unicode.org/L2/L2012/12367-n4361.pdf L2/12-367]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4361.pdf N4361] || {{Citation|title=Feedback on Siddham proposal (WG2 N4294)|date=2012-11-02|first=Toshiya|last=Suzuki}}
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| data-sort-value="2012-369" {{nobr| [http://www.unicode.org/L2/L2012/12369-n4369.pdf L2/12-369]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4369.pdf N4369] || {{Citation|title=Feedback on Siddham proposal (WG2 N4294)|date=2012-11-02|first=Eijun|last=Eidson}}
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| || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4460.pdf N4460] || {{Citation|title=Siddham ad hoc report|date=2013-06-12}}
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| rowspan="414" | U+115CA8..115D70 || rowspan="4" | 14U+115CA..115D7 || rowspan="4" | 8.014 || data-sort-value="2012-323" {{nobr| [http://www.unicode.org/L2/L2012/12323-n4336-siddham-section-marks.pdf L2/12-323]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4336.pdf N4336] || {{Citation|title=Proposal to Encode Section Marks for Siddham in ISO/IEC 10646|date=2012-09-30|first=Anshuman|last=Pandey}}
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| data-sort-value="2012-372" {{nobr| [http://www.unicode.org/L2/L2012/12372-n4378.pdf L2/12-372]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4378.pdf N4378] || {{Citation|title=Additional Information on Siddham Section Marks (N4336)|date=2012-10-24|first=Deborah|last=Anderson}}
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| data-sort-value="2013-033R" {{nobr| [http://www.unicode.org/L2/L2013/13033r-siddham-sect.pdf L2/13-033R]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4391.pdf N4391] || {{Citation|title=Additional information on Siddham Section marks|date=2013-01-28|first=Bill|last=Eidson}}
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| data-sort-value="2013-156" {{nobr| [http://www.unicode.org/L2/L2013/13156-n4457.pdf L2/13-156]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4457.pdf N4457] || {{Citation|title=Name changes for Siddham Section marks|date=2013-06-11|first1=Deborah|last1=Anderson|display-authors=etal}}
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| rowspan="10" | U+115D8..115DD || rowspan="10" | 6 || rowspan="10" {{nobr| 8.0 || data-sort-value="2013-110" | [http://www.unicode.org/L2/L2013/13110r-n4407.pdf L2/13-110]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4407.pdf N4407R] || {{Citation|title=Proposal to Encode Variants for Siddham Script|date=2013-06-11|first1=Taichi|last1=Kawabata|first2=Toshiya|last2=Suzuki|first3=Kiyonori|last3=Nagasaki|first4=Masahiro|last4=Shimoda}}
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| data-sort-value="2013-136" {{nobr| [http://www.unicode.org/L2/L2013/13136-siddham-variants.pdf L2/13-136]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4468.pdf N4468] || {{Citation|title=Additional Siddham Variants|date=2013-06-15|first=Anshuman|last=Pandey}}
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| data-sort-value="2013-189" {{nobr| [http://www.unicode.org/L2/L2013/13189-n4486-siddham-cmt.pdf L2/13-189]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4486.pdf N4486] || {{Citation|title=Comments on N4407R Proposal to Encode Variants for Siddham Script|date=2013-10-10|first=Andrew|last=Glass}}
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| data-sort-value="2013-195" {{nobr| [http://www.unicode.org/L2/L2013/13195-siddham-variants-approach.pdf L2/13-195]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4490.pdf N4490] || {{Citation|title=A Practical Approach to Encoding Siddham Variants|date=2013-10-27|first=Anshuman|last=Pandey}}
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| data-sort-value="2013-208" {{nobr| [http://www.unicode.org/L2/L2013/13208-siddham-supp-blk-suggestion.txt L2/13-208]}} || || {{Citation|title=Response to L2/13-195 on Siddham|date=2013-10-30|first=Shriramana|last=Sharma}}
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| data-sort-value="2013-233" {{nobr| [http://www.unicode.org/L2/L2013/13233-siddham-report.html L2/13-233]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4523.pdf N4523] || {{Citation|title=2013-11-22 Siddham Script (梵字) Meeting @ Tokyo, JAPAN, Earth|date=2013-12-04|first=Ken|last=Lunde|authorlink=Ken Lunde}}
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| data-sort-value="2014-055" {{nobr| [http://www.unicode.org/L2/L2014/14055-siddham-var.pdf L2/14-055]}} || || {{Citation|title=Supplementary Documents for Proposal of Variants for Siddham Script|date=2014-02-04|first1=Deborah|last1=Anderson|first2=Lee|last2=Collins|authorlink2=Lee Collins (Unicode)|first3=Bill|last3=Eidson|first4=Andrew|last4=Glass|first5=Shoken|last5=Harada|first6=Taichi|last6=Kawabata|first7=Ken|last7=Lunde|first8=Koju|last8=Motoyama|first9=Kiyonori|last9=Nagasaki|first10=Anshuman|last10=Pandey|first11=Michel|last11=Suignard|first12=Toshiya|last12=Suzuki|first13=Taro|last13=Yamamoto}}
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| data-sort-value="2014-062" {{nobr| [http://www.unicode.org/L2/L2014/14062-siddham-matras.pdf L2/14-062]}} || || {{Citation|title=Concerns about encoding variants of Matras in Siddham|date=2014-02-04|first=Andrew|last=Glass}}
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| || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4557.pdf N4557] || {{Citation|title=Brief Summary of the Discussion about Shape-Based Separation of Siddham Vowel Sign U/UU|date=2014-02-24|first=Suzuki|last=Toshiya}}
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| data-sort-value="2014-074" {{nobr| [http://www.unicode.org/L2/L2014/14074-n4560.pdf L2/14-074]}} || [http://std.dkuug.dk/jtc1/sc2/wg2/docs/n4560.pdf N4560] || {{Citation|title=Siddham Ad Hoc Report|date=2014-02-24|first=Deborah|last=Anderson}}
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| colspan=6 | {{reflist|group=lower-alpha|refs=<ref name=final>Proposed code points and characters names may differ from final code points and names</ref>}}
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