A document enters.
A fingerprint stays forever.
Every file is reduced to a unique cryptographic hash. The hash is written to Solana. The file can change — the proof cannot.
Awaiting input...
This is how buildings fail.
The records fail first.
Thane, India. 74 people. Celtic Tiger, Ireland. 100,000 apartments. The pattern is always the same.
Plans submitted and approved
Building design passes review. Permit issued.
Plans quietly replaced
Cheaper materials substituted. Load-bearing calculations altered. Database record updated by admin.
Building constructed to altered plans
Inspectors reference the modified file. The original no longer exists in the system.
Structural failure. 74 dead.
Investigation launched. Officials deny alterations. The database shows only the current version. There is no proof.
Without an independent record, there is no accountability.
There is only the version someone chose to keep.
Try to change it.
See what happens.
Every modification changes the hash. Every change is detected. There is no silent alteration.
Computing...
Computing...
One link.
Permanent proof.
The BIM Link is not a URL. It is a sealed verification artifact. Anyone can click it. No login. No technical knowledge. The truth is one click away.
a7f3b2c9d1e4f5a6b8c0d2e4f6a8b0c2d4e6f8a0b2c4d6e8f0a2b4c6d8e0f2a4
No account required. No software needed. One click. One truth.
A fingerprint stays forever.
Once written to Solana, these fields are confirmed by 1,000+ independent validators. No single party can modify them. Not the developer. Not the government. Not us.
2026-02-18T14:32:07Z
The exact moment the document was recorded
5Tz9...kR4w (Verified Wallet)
Cryptographic proof of who submitted the document
53.3498° N, 6.2603° W
Where the document was submitted from
SHA-256: a7f3b2c9...d8e0f2a4
Mathematically unique to the exact file contents
3 signatures (Architect, Engineer, Inspector)
Every sign-off recorded with identity and timestamp
Version 1 of 1 — No modifications
Complete, ordered history of every change
These are not features. They are constraints enforced by cryptography and distributed consensus. They cannot be turned off.
Everyone verifies.
No one is trusted.
The system does not depend on the honesty of any participant. It depends on cryptography.
Submit documents. Get cryptographic proof of compliance.
If there is ever a dispute, lawsuit, or audit — the record speaks.
Sign off on designs. Record is tied to their identity.
Personal liability protected by independent, immutable proof.
Access verified project data via API.
Cleaner risk assessment. Lower disputes. Better pricing.
Recognize cryptographic verification as compliance evidence.
No system changes needed. The proof exists independently.
Click a BIM Link. Verify any building.
Accountability through technology. No trust required.
One protocol.
Every market.
The on-chain layer stores universal primitives: hashes, coordinates, timestamps, signatures. All country-specific logic lives off-chain.
Document hashes, GPS coordinates, approval signatures, revision history. Confirmed by 1,000+ validators worldwide.
Anchor Framework · PDAs · Squads Protocol v4BIM files, CAD drawings, inspection reports. Content-addressed hashing. Optional permanent archival.
Content-Addressed · Encrypted · RedundantAPI gateway, submission queue, event indexing, searchable metadata. All country-specific logic lives here.
Helius Indexing · PostgreSQL · Event-DrivenUpload dashboard, approval workflows, wallet connection, and the public BIM Link verification page.
Phantom · Backpack · Public VerificationIreland
BCAR compliance. Assigned Certifiers with personal liability. Direct market access from Dublin.
Market size: ~15B by 2030India
RERA mandatory project registration. 35,000+ registered projects. Documented corruption and building collapses.
Market size: $200B+ annuallyAccountability should not
depend on trust.
Notara Chain places proof in a system no single party controls. What was approved is provable. What was changed is visible. With mathematical certainty.