I think this depends on the individual approach. Some may remain gupt, but share the knowledge that they have acquired. Others may acknowledge their spiritual status in order to better guide people. Some may reveal/acknowledge this status only to those who are very close to them.
I think this shabad by Bhagat Kabir ji shows that those who have attained a high avastha may acknowledge it, and this acknowledgement is not a sign of haumai when genuine.
rwgu goNf bwxI kbIr jIau kI Gru 2
raag go(n)add baanee kabeer jeeo kee ghar 2
Raag Gond, The Word Of Kabeer Jee, Second House:
<> siqgur pRswid ]
ik oa(n)kaar sathigur prasaadh ||
One Universal Creator God. By The Grace Of The True Guru:
Bujw bWiD iBlw kir fwirE ]
bhujaa baa(n)dhh bhilaa kar ddaariou ||
They tied my arms, bundled me up, and threw me before an elephant.
hsqI k®oip mUMf mih mwirE ]
hasathee krop moo(n)dd mehi maariou ||
The elephant driver struck him on the head, and infuriated him.
hsiq Bwig kY cIsw mwrY ]
hasath bhaag kai cheesaa maarai ||
But the elephant ran away, trumpeting,
ieAw mUriq kY hau bilhwrY ]1]
eiaa moorath kai ho balihaarai ||1||
"I am a sacrifice to this image of the Lord."||1||
Awih myry Twkur qumrw joru ]
aahi maerae t(h)aakur thumaraa jor ||
O my Lord and Master, You are my strength.
kwjI bikbo hsqI qoru ]1] rhwau ]
kaajee bakibo hasathee thor ||1|| rehaao ||
The Qazi shouted at the driver to drive the elephant on. ||1||Pause||
ry mhwvq quJu fwrau kwit ]
rae mehaavath thujh ddaaro kaatt ||
He yelled out, ""O driver, I shall cut you into pieces.
iesih qurwvhu Gwlhu swit ]
eisehi thuraavahu ghaalahu saatt ||
Hit him, and drive him on!""
hsiq n qorY DrY iDAwnu ]
hasath n thorai dhharai dhhiaan ||
But the elephant did not move; instead, he began to meditate.
vw kY irdY bsY Bgvwnu ]2]
vaa kai ridhai basai bhagavaan ||2||
The Lord God abides within his mind. ||2||
ikAw AprwDu sMq hY kIn@w ]
kiaa aparaadhh sa(n)th hai keenhaa ||
What sin has this Saint committed,
bWiD pot kuMcr kau dIn@w ]
baa(n)dhh pott ku(n)char ko dheenhaa ||
that you have made him into a bundle and thrown him before the elephant?
kuMcru pot lY lY nmskwrY ]
ku(n)char pott lai lai namasakaarai ||
Lifting up the bundle, the elephant bows down before it.
bUJI nhI kwjI AMiDAwrY ]3]
boojhee nehee kaajee a(n)dhhiaarai ||3||
The Qazi could not understand it; he was blind. ||3||
qIin bwr pqIAw Bir lInw ]
theen baar patheeaa bhar leenaa ||
Three times, he tried to do it.
mn kToru AjhU n pqInw ]
man kat(h)or ajehoo n patheenaa ||
Even then, his hardened mind was not satisfied.
kih kbIr hmrw goibMdu ]
kehi kabeer hamaraa gobi(n)dh ||
Says Kabeer, such is my Lord and Master.
cauQy pd mih jn kI ijMdu ]4]1]4]
chouthhae padh mehi jan kee ji(n)dh ||4||1||4||
The soul of His humble servant dwells in the fourth state. ||4||1||4||