#H0Hackathon build note

Revenue Intake Ledger: the database memory after an AI-built launch

AI can help a solo builder ship many small products quickly. The hard part starts after launch: proof links, result dates, cloud-cost checks, organizer messages, and payout paperwork scatter across tabs and inboxes. Revenue Intake Ledger turns that follow-up work into one saved operating board backed by DynamoDB. This build note was created for the purposes of entering the H0 Hackathon and documenting the product, user problem, AI workflow, and AWS database design.

Live appDevpost submissionDemo videoDynamoDB bundleProof route

Who it is for

The target user is a solo builder or tiny team using AI agents to launch multiple hackathon, grant, or revenue experiments at once. They do not need another inspirational dashboard. They need a reliable record of what was submitted, what proof exists, when results arrive, and what financial follow-up remains open.

The problem

AI compresses the build cycle, but it does not automatically manage the business cycle. A shipped project can still lose value if the builder misses a result announcement, forgets a tax form, leaves a cloud resource running, or cannot prove what was actually submitted. Those are small operational misses, but they decide whether a project turns into real revenue.

How AI is used

AI agents help generate, verify, and summarize follow-up evidence. The important boundary is that AI does not become the source of truth. The database does. The app stores projects, proof items, payout tasks, status events, and AI suggestions so that a human reviewer can inspect the same saved facts the agents used.

Why DynamoDB matters

DynamoDB is not a decorative backend in this submission. It is the memory layer. One query forPK = OPPORTUNITY#h0 returns the H0 project profile, proof items, payout tasks, and status history. A second access pattern, PK = WORK_QUEUE#open, returns the work that still needs attention. That makes the app a working checklist, not a static portfolio page.

What the demo proves

  • The public app is deployed on Vercel.
  • The production API can read the live DynamoDB-backed H0 bundle.
  • The UI separates submitted work, waiting work, proof records, and payout follow-up.
  • The claim boundary stays honest: no fake revenue, no synthetic charts, no hidden paid services.

Why this can matter beyond one hackathon

As builders use more AI agents, the bottleneck moves from creation to accountability. The next useful product is often not another generator. It is the shared memory that keeps humans and agents aligned after the first version ships.