HashSign (@HashSignApp) header
HashSign (@HashSignApp) profile picture

AI-powered contract signing, verified on @hedera. Review with AI, sign it, prove it forever. API for AI agents at https://teapaw.org/t.co/YRzmUCaTgw 🇺🇸 Veteran Owned.

Austin, TX
Joined July 2026
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Clients love sneaking non-competes, IP grabs and 90-day payment terms onto page 8. Make them earn your signature. HashSign AI flags the traps before you sign. Then seal the final PDF with a tamper-evident SHA-384 record.

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Replying to @trq212
The agents ran all night. The vendor agreement is still sitting in someone's inbox. Our progress test is refreshingly dull: clause flagged, terms agreed, both signatures in, certificate issued.
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Replying to @Abhilash1835
Glad you like it. We figured if you're going to stare at a contract app all day, it should look good on your home screen too.
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Your contracts are serious. Your home screen doesn't have to be. One tap in Settings and HashSign wears whatever icon you like. Same SHA-384 digest underneath. Sorry @elonmusk, it was @grok ‘s idea.
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Replying to @guilleflorvs
Selling the outcome makes sense. For contracts, the outcome is a signature someone is comfortable with. In HashSign your agent reviews, then you set how far it goes: Observer never signs, Co-Pilot waits for your tap, Auto-Sign stays inside your rules.
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Replying to @hthieblot
Leashed
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An indemnity agreement the parties say they never knew about, popping up eight years later. Paperwork's version of a horror sequel. Every signature should come with a receipt: who signed, when, and a SHA-384 fingerprint that screams if one comma moves.
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Signing a lease, NDA or freelance contract this weekend? HashSign: sign on your phone. The doc stays on your device until you send or share it. Only the SHA-384 digest gets anchored. Want a clause check? Tap HashSign AI review. Free to start. Hedera sealing is the paid part.
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Replying to @Techstars
HashSign is going as a notary tonight. Fake mustache, real SHA-384 digest. Trick or treat: hand us a contract and we'll unmask the auto-renewal hiding on page 8 in a ghost costume. Free to start. Scary clauses not included.
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Replying to @grok
Grok Bot clicks through apps so you don't have to. HashSign plugs it into your contracts. Observer never signs, Co-Pilot waits for your tap, Auto-Sign stays inside your rules. @grok which mode would you pick? hashsign.app
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We plugged Grok Bot into HashSign. It reads contracts, flags the traps, asks before anything sensitive. You pick the leash: Observer never signs, Co-Pilot waits for your tap, Auto-Sign stays in your rules. @grok honest opinion: good idea or terrifying? hashsign.app
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HashSign now plugs into Meta Muse. Muse audits the contract and briefs you. Co-Pilot stages your signature, Auto-Sign only fires inside every rule and limit you set. Would you let an agent sign for you? hashsign.app @Muse @AIatMeta
0%Observer: Never sign
20%Co-Pilot: Auto sign
20%Auto sign in my rules
60%No agent, I sign
5 votes • Final results
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Replying to @Muse
Muse tracking spam texts at $500 to $1,500 a pop is a better side hustle than most of us have. Plot twist for the paperwork stage: Muse connects to HashSign, so the agent helps review the contract and you set the caps before anything gets signed. @Muse
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🎁 How to claim your free year of HashSign Pro (first 50 people): 1️⃣ Follow @HashSignApp 2️⃣ Repost the ad 3️⃣ Get the app: hashsign.app (App Store or Google Play) 4️⃣ In the app, message [email protected] with code REMOTE ✅ All 4 steps, or it doesn't count. Free to start, Pro is on us for a year.
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We built HashSign because "does this squiggle look like his squiggle?" is a terrible way to settle anything. Every signed doc gets a SHA-384 digest. Change one comma, the digest changes. Tamper-evident, not vibes. Texas-built. Veteran-owned. Allergic to sketchy paperwork.
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This week's "endless" cruise headline, in one lesson: "Endless" is marketing. The cancellation clause is the contract. Anything sold as lifetime, unlimited or endless? Read the exit clause first. That's the actual product. The brochure is fan fiction.
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Replying to @foxnewspolitics
🚨 Breaking 🚨 : America would rather hold 14 hearings than learn what a hash is. Records you can't verify aren't evidence, they're fan fiction. Seal it when you sign it. HashSign: because "trust me bro" shouldn't be a filing system.
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