Hadeeth: “It is written on the Throne’s leg: `There is no god but Allah Muhammad is the Messenger of Allah I (God) have supported him (Muhammad) through `Ali and I have aided him through `Ali.” (Murajiat, letter 48, #33)
This hadith is pure lie upon our beloved prophet (sallalahu alaihi wa ala alihi wa sallam).
First of all Allah in the Quran said:
[Shakir 8:62] And if they intend to deceive you– then surely Allah is sufficient for you; He it is Who strengthened you with His help and with the believers.
So prophet (sallalahu alaihi wa ala alihi wa sallam) was supported by the believers, and not Ali alone.
Regarding this hadith allama Shawkani said in “Fawaid al-majmua” (p 463, #101, darol madarik): “It’s written in “Zayl”, this is fabrication”.
Tabarani narrated it in his “al-Kabir”, al-Heythami in “Majmau zawaid” (#14702) said: “Narrated Tabarani, in the chain Amr ibn Thabit, and he’s abandoned”. Ibn Maeen said about this Amr: Abandoned. Nasai said: “Matruk al-hadith”. Ibn Hibban: Narrated fabrications. Bukhari: He’s not strong from their point of view (“Mizanul itidal” 3/249/№6340).
Ibn Asakir narrated similar hadith in his history (42/336) from the same Amr. He also narrated hadith with close wording (“Tarih madinatul dimashk”) via chain: Muhammad ibn Uthman ibn Abu Shayba – Zakariya ibn Yahya al-Kisae – Yahya ibn Salim – Ashath ibn um Hasan ibn Salih – Muasar – Atiya Awfe – Jabir ibn Abdullah, which said: “Prophet (sallalahu alaihi wa ala alihi wa sallam) said: “2000 years before creation of heaven and earth, it was written upon the doors of heaven: There is no god but Allah Muhammad is the Messenger of Allah (God) have supported him (Muhammad) through `Ali”.
This chain contains 5 serious defects:
1) Muhammad ibn Uthman ibn Abu Shayba. Scholars differed in him. Ibn Khirash and Abdullah ibn Ahmad accused him in lie” (“Mizanul itidal” 3/642/№7934).
2) Zakariya ibn Yahya. Nasai and Daraqutni called him: Abandoned (“Mizanul itidal” 2/75/№2890).
3) Yahya ibn Salim. Daraqutni said he’s weak (“Mizanul itidal” 4/377/№9513).
4) Al-Ashath ibn um Hasan. Al-Heythami said he’s weak (“Majmau zawaid” #14656).
5) Atiya Awfe weak in accordance to majority. (see: https://gift2shias.com/2010/07/19/hadeeth-prophet-sallalahu-alaihi-wa-ala-alihi-wa-sallam-gave-fadak-as-gift-to-fatima-r-a/)
This hadith was also narrated by Abu Nuaym in “Hilliyatul awliya” (3/27). In the chain Ahmad ibn al-Hasan al-Kofe. Daraqutni and others said he’s abandoned. Ibn Hibban said: Liar (“Mizanul itidal” 1/90/№331). Some other narrators are unknown for me.
It was also narrated via chain: Hussain ibn Ibrahim al-Babe – Humayd at-Tawil – Anas. Al-Babe is unknown (“Mizanul itidal” 1/530/№1977).
These words also came as words of Abu Hurayra via chain: Abbas ibn Bakkar – Halid ibn Abu Amr al-Azdi – Kalbi – Abu Salih – Abu Hurayra. Kalbi that’s famous shia liar Muhammad ibn Saib, Abbas was also liar (“Mizanul itidal” 2/382/№4160).
Dhahabi in “Talkhis al-Ilal” (p 75, #167, Maktaba Rashd, Riyad) cited similar hadith: “1000 years before creation of heaven and earth, on the doors of jannat was written: There is no God but Allah, Ali is brother of messenger of Allah”. Dhahabi said: Hadith was narrated by Zakariya ibn Yahya – rafidi, that was accused in lie – from Yahya ibn Salim – Ashath – Muasar – Atiya – Jabir”.