⚙ Build #77 · dPRN Pre-Certification · 03 May 2026

📐 Compare to the originals: This is the bookable, Stripe-billed front door for the certification flow first documented at /dprn-certification · /dprn-landing. Both originals remain live for line-by-line comparison.

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Pre-Certify · Lock the £450 Floor · Mint on Demand

Lock the floor.
Mint when you're ready.

Every dPRN you pre-certify is a guaranteed right to mint at £450 / tonne — even if the market price rises. SHA-256 sealed certificate. QR-coded. Truth-Ledger entry. Transferable.

£450

Locked Floor / Tonne

2 yr

Hedge Window

15%

Max Volume Discount

02 / 06

Slide 2 · Deeds Available

Three deed sizes. Same price floor.

Deed 1

1 Tonne

£450

Single dPRN · entry-level

Deed 5

5 Tonnes

£2,250

Bigger basket · better floor.

Tonnes pre-certified	Discount	Effective £/tonne	Notes
1 – 99	—	£450	Standard
100 – 499	5%	£427.50	Auto-applied
500 – 999	10%	£405	Hedge-contract eligible
1,000+	15%	£382.50	Hedge-contract eligible · CSV bulk upload

"The market goes up. Your floor doesn't."

Hedge contract · Pre-pay 50% now, 50% on mint · price locked for 2 years.
Transferable deeds · Sell or transfer to another company (small admin fee).
Secondary market · List your deeds at /deed-marketplace (live with the secondary deed marketplace).
Expiry reminder · Email warning 30 days before any unused deed expires.
Bulk CSV upload · Pre-certify thousands of tonnes in one go (1000+ tier).

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Slide 4 · The Process

Four steps from selection to sealed certificate.

1 · Select your deed — choose 1, 5, or 10 tonnes (or bulk via CSV).
2 · Stripe checkout — pay in full, or 50/50 hedge.
3 · Certificate generated — PDF with serial number and QR code, posted to your inbox.
4 · Truth-Ledger entry — publicly verifiable seal at /op-tracker.

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Slide 5 · Conversation for Bulk Buyers

100+ tonnes? Talk to us first.

Buying at scale unlocks volume discounts, hedge contracts, transferable certificates, and CSV bulk upload. Send us your tonnage and we'll respond within one business day with a quote letter.

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Slide 6 · Begin

Lock your floor. Mint on demand. Defend forever.

Reserve Deed 5 · £2,250 Browse /deed-marketplace Compare to /dprn-certification Compare to /dprn-landing

Sealed 03 May 2026 · Build #77 · Deed Doctrine forthcoming as MD-462