The Ledger

Every statement that passed quotation and attribution checks. Mix any filter with any other: certainty 1/5, debate potential 5/5, or both at once.

clear all ✕

why aren't all 13 resolved? a statement only gets an assessment when the public record can support or contradict it. opinions and what-ifs never can, and 0 checkable ones are still open, waiting for their date. predictions held up or didn't; assertions are supported or contradicted. on every card: ▮▮▮▮▮ certainty · ▮▮▮▮▮ debate potential. speakers are clickable

Assertion Supported
Scholl: XB-1 Broke Sound Barrier Six Times With No Ground Boom
“XB one broke the sound barrier on two flights, six times through the sound barrier. Each time, no audible sonic boom in the ground.”
Blake Scholl Jul 28, 2026 ▶ 9:44 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Partly supported
Scholl: US legalized supersonic flight 115 days after XB-1 broke sound barrier
“And so it was about 24 hours from breaking the sound barrier to be invited to the West Wing, and a 115 days from breaking the sound barrier to an executive order making supersonic flight legal again in the U.S.”
Blake Scholl Jul 28, 2026 ▶ 10:29 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Contradicted
Scholl: Douglas Aircraft in 1921 was the last startup to build airliners
“The last company entrepreneur founded that went on to build a commercial airliner was Douglas Aircraft in 1921.”
Blake Scholl Jul 28, 2026 ▶ 26:27 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Contradicted
Scholl: The FAA approved Boom's XB-1 flight permit in just 90 minutes
“The approvals process for XB-One, that even for an R&D airplane can stretch on for months, actually happened in 90 minutes. From when we said we think we're ready to fly, and FAA said, here's the paperwork, we agree, go. We got the first ever permit for flying…”
Blake Scholl Jul 28, 2026 ▶ 30:20 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: Lockheed Takes Over Two Years to Build a Patriot Interceptor
“It now takes Lockheed more than two years to build a new Patriot missile interceptor.”
Blake Scholl Jul 28, 2026 ▶ 0:51 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: US never progressed past supersonic airliner mock-ups before Boom
“Prior to boom, the closest the America ever got to a supersonic airliner was a mock-up.”
Blake Scholl Jul 28, 2026 ▶ 1:27 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: Boom's XB-1 is the first independently developed supersonic jet
“Last year, XB-One became the first independently developed jet to break the sound barrier, more than a decade after founding the company.”
Blake Scholl Jul 28, 2026 ▶ 6:54 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: Supersonic flight legalization passed the US House unanimously
“After the executive order, a bill dropped in the House and the Senate to make the supersonic legalization permanent. It passed the House Unanimously. And just last week, it got out of the Senate Commerce Committee again with a unanimous vote.”
Blake Scholl Jul 28, 2026 ▶ 11:14 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Contradicted
Scholl: Boom's XB-1 is the first plane landed solely using augmented reality
“The first human piloted airplane landed solely on augmented reality with no natural view of the runway.”
Blake Scholl Jul 28, 2026 ▶ 11:52 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: Boom conducted the first supersonic Starlink livestream
“This was the first supersonic installation of Starlink, the first supersonic air-to-air livestream”
Blake Scholl Jul 28, 2026 ▶ 18:47 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Contradicted
Scholl: Amazon's board and internal staff laughed at Jeff Bezos over AWS
“He was laughed at internally and laughed at by his board when he launched Amazon Web Services. He was laughed at by the world for e-commerce.”
Blake Scholl Jul 28, 2026 ▶ 38:47 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: Seven-hour jet flights turned Hawaii into a mainstream tourist destination
“Hawaii was simply not a tourist destination before the speed of the jet. It was the ability to get from the US to Honolulu in seven, 8:09 hours that turned Hawaii into a mainstream tourist destination.”
Blake Scholl Jul 28, 2026 ▶ 2:40 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
Assertion Supported
Scholl: He had three children under two when founding Boom Supersonic
“When I started Boom I had three kids under the age of two.”
Blake Scholl Jul 28, 2026 ▶ 49:02 Blake Scholl: Breaking the Supersonic Ban · Y Combinator
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