S-K 1602(b)(6) Prospectus Summary, Sponsor Compensation	Dec. 05, 2025 USD ($) $ / shares shares
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 25,000
Art Technology Sponsor, LLC or Art Technology Advisors, LLC [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	30,000
R. Maxwell Smeal [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	12,500
Emmanuelle Cohen [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	8,333
Class B Ordinary Shares [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 25,000
Securities Issued or to be Issued, Shares (in Shares) | shares	8,708,333
Placement Units [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 5,500,000
Securities Issued or to be Issued, Shares (in Shares) | shares	550,000
Repayment of Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 300,000
Working Capital Loans [Member]
SPAC Prospectus Summary, Sponsor Compensation [Line Items]
Price Paid or to be Paid for Securities, Total Amount	$ 2,500,000
Price Paid or to be Paid for Securities, Per Share (in Dollars per share) | $ / shares	$ 10