Yes, this dot is "the One" (al-Wahid), and from the One, the numbers are sequenced and organized.
❖ On the Proof of His Divinity from the Words of the Messenger ❖ (exalted be his might)
[154] From the book Yanabi' al-Mawaddah: Abu Nu'aym al-Hafiz transmitted with his chain of narration (isnad) on the authority of Abu Salih, from Ibn 'Abbas, Abu Hurayrah, and Ja'far al-Sadiq (majestic is his mention), regarding the Almighty's saying: ["But if they intend to deceive you - then sufficient for you is Allah. It is He who supported you with His help and with the believers,"] 1 that they said it was revealed concerning Ali. For they stated that the Messenger of Allah (exalted be his might) said: "I saw written upon the Throne: 'There is no god but Allah alone, He has no partner in sovereignty, and that Muhammad is My servant and My messenger; I supported him through Ali, and I helped him through Ali.'"