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Public space is for play. Cars and ads can go away· Adfree Cities◆Holding the line – a partial win in the National Planning Policy Framework, August 2026· Adfree Cities◆Press release: Bristol bans ads for fossil fuels, SUVs and ultra-fast fashion· Adfree Cities◆“The art of manipulation” – Bristol's new ad ban targets harmful corporate influence· Adfree Cities◆Who decides? New rules for outdoor advertising planning applications· Adfree Cities◆
Capital pathway · Ecosystem / Retro Public Goods

Open civic infrastructure, retroactively fundable.

Copyleft, on-chain-native, and already shipping — OOH Earth is a public good that did the work before asking for the reward.

The ask
£150k–500k+
Retro-PGF / ecosystem grant · impact & replacement-cost anchored
Replacement floor
£70k–150k
In-kind build value
Actual outlay
low £ thousands
Capital-efficiency story
SDG 11.7SDG 12.8SDG 16.7SDG 17A/69/286

Why this fits you

The angle for ecosystem / retro public goods
  • Copyleft and open by design — the outputs are a commons, not a moat.
  • On-chain-native: evidence minting and a community treasury on Base.
  • Impact is already demonstrable — the ideal profile for retroactive funding.

Typical funders: Retro-PGF rounds · Gitcoin-style ecosystems · Base / on-chain public-goods pools

What your capital unlocks

Use of funds
01

Harden the on-chain rails

Finish evidence minting + treasury routing so contributions are transparent and auditable.

02

Open the dataset

Publish the documented-sites dataset as reusable public infrastructure.

03

Reward contributors

Route retro funding to the ambassadors and members who built the evidence base.

The evidence base

Self-reported · diligence-ready
~2,000
Waitlist
Verify
~47
Ambassadors
Verify
~12,000
Documented (beta)
Verify
14
Ecosystem entities
Live

Figures marked Verify originated in launch/demo context and resolve to live platform counts on diligence. The two-stage frame — £70k–150k replacement-cost floor plus a traction/movement premium — sets the £150k–500k+ ask on impact and in-kind value, not equity multiples.

Next step

Open the data room conversation.

We'll share the live console, verified metrics, and a build-cost letter tuned to a retro-pgf / ecosystem grant.

Contact — hello@ooh.earthOpen investor console →
Other capital pathways
Impact GrantsFund the evidence base.Open →Philanthropic CapitalBack a movement, not a cap table.Open →Civic-Tech BackersA working platform, not a pitch deck.Open →
ooh.earth

Capital pathway · Ecosystem / Retro Public Goods
Community-funded · copyleft
hello@ooh.earth

Not investment or valuation advice

Framing tool · figures verified on diligence
Instrument: Retro-PGF / ecosystem grant