DISCLAIMERAlthough I have researched this topic and formulated a hypothesis that can be backed by evidence, this is analysis and opinion of a single individual...
I am only human and am prone to mistakes in judgement. It is better if the reader verifies the information I am presenting. I would be glad if someone corrects me if I have made a mistake.
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EPIGRAPHIC EVIDENCE OF A COMPLETE PRE-UTHMANIC QURANIC MANUSCRIPTWe have observed through previous discussions on this forum that Sabaic and Egyptian languages were written in two distinct forms: Monumental, and Papyric.
We saw that Ancient Egyptian writing was of two types:
Hieroglyph -> Monument
Hieratic -> Parchment/Papyrus
Same pattern is observed in Sabaic language:
Musnad -> Monument
Zabur -> Parchment/Papyrus
Now when it comes to Arabic, the general scientific and archaeological analysis concludes that Arabic originated from Nabataean regions. Several inscriptions have been found in Petra and other parts of the Jordanian desert that point to this. It is possible that North Arabian regions used Nabataean for both monuments and papyrus, *but the area of Hijaz exhibits the Sabaic and Egyptian trend*.
Kufic script is extremely similar to the Nabataean styled alphabet, which was used for monumental messages in Pre-Islamic Arabia (and after).
What is interesting is that NONE of the parchment Quranic manuscripts (or portions discovered thereof) are in this script until the Uthmanian Caliphate. In fact, Quranic manuscript fragments found that can be dated to the first half of the 1st century Hijri are Hijazi:
Hijazi - Parchment
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http://www.islamic-awareness.org/Quran/Text/Mss/yem1b.html (*begining* of 1st C-H)
http://www.islamic-awareness.org/Quran/Text/Mss/yem1e.html (1st half of 1st C-H)
Kufic - Parchment
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http://www.islamic-awareness.org/Quran/Text/Mss/samarqand.html (disagreement in date of origin - *Canbon dated to 2nd C-H*)
http://www.islamic-awareness.org/Quran/Text/Mss/topkapi.html (1st C-H - likely later in the century, but this is deductive reasoning on my behalf, so I could be wrong)
Kufic - Monumental
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http://www.islamic-awareness.org/History/Islam/Inscriptions/hamid1.html (4th year Hijri)
http://www.islamic-awareness.org/History/Islam/Inscriptions/hamid2.html (4th year Hijri)
http://www.islamic-awareness.org/History/Islam/Inscriptions/hamid3.html (Early 1st C-H)
http://www.islamic-awareness.org/History/Islam/Inscriptions/kuficsaud.html (24th year Hijri)
http://www.islamic-awareness.org/History/Islam/Inscriptions/hajri.html (31st year Hijri)
We see a distinct pattern: All Stone inscriptions discovered in the Hijaz area are in Kufic, HOWEVER, the oldest Quranic parchment pieces discovered show a different style which is Italic Hijazi. Several of these samples show diacritical dots as well.
We already know that Nabataens were renowned for their stone-carved monuments. Owing to the pattern we saw for south Semitic and Egyptian writing habits, it is likely that Hijaz followed a similar trend of using Hijazi font for parchment and daily affairs documents, and Kufic for stone engravings.
While Hijazi was popular for parchment, Kufic may have been introduced for writing parchment documents during Hazrat Uthman's time, and thereon heavily used for documents (while Hijazi lost its popularity).
Hence we can derive 2 conclusions:
(1)
In Pre-Islamic Arabia and for the early part of the 1st Century Hijri, the people of Hijaz were probably using two types of fonts:
Kufic -> Monumental
Hijazi -> Parchment/Papyrus
(2)
Most of the dating regarding kufic manuscripts is a matter of disagreement between scholars. Where there is no disagreement is that Kufic script is present in all Uthmanian copies surviving to date.
In addition, there is no disagreement with regards to the use of Kufic script on stones/monuments and Hijazi on papyrus in the beginning of the 1st Century Hijri.
Hence, in my opinion, presence of Quranic parchment/papyrus fragments in Hijazi script is historical and archaeological evidence that points to the existence of *COMPILED* Quranic manuscripts from before Harzat Uthman's time.
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Whether it points to the fact that Hijazi script did not actually did not originate from Hijaz, and that North Arabian regions were using Kufic for monument and Hijazi for parchment exclusively is something I have not found any clear evidence for.
What can be deduced is that traditional stories about the collection and compilation of the Quran during Hazrat Uthman's time are a bit far fetched. Parchment pages (that seem to be torn off a book) are found with Quranic verses which indicate that Quran was written in book format in Hijazi script in early 1st Century Hijri. Kufic seems to have been used for parchment quite after, likely during or after the 3rd Caliph's time.