International Atmospheric
Zoning Bureau

The Global Network of Upper Atmospheric Zones

IAZB maintains the International Atmospheric Zoning System (IAZS) and its 3D Sky Cadaster—a neutral, persistent database that indexes one-meter cubic parcels of open air between 20,000 m and 160,000 m using a 10-character geohash plus altitude. Every record is timestamped, hashed, and publicly verifiable.

3D Sky Cadaster Record Search
20-160 km
Altitude Range
1 Meter cube
Parcel Resolution
Permanent
Record Persistence

What we Do

We define a common reference language for upper-atmosphere locations, maintain the IAZS spec, and operate the 3D Sky Cadaster with public verification and cryptographic integrity.

Maintain the IAZS Specification
Define a common reference language for upper-atmosphere locations
Operate the 3D Sky Cadaster
Manage the comprehensive global database of atmospheric parcel data records.
Provide Public Verification
Enable transparent and verifiable validation of all atmospheric parcel dedications
Partner APIs for Availability & Lookups
Seamlessly integrate parcel management into partner platforms.
Preserve Record Integrity
Ensure record immutability through secure cryptographic hashing.

International Atmospheric Zoning System

A precise, standardized framework for identifying atmospheric zones.

IAZS Operational Window
20,000 - 160,000 m
Parcel Resolution
1 meter cube
Per Zone
Parcel Structure
Canonical ID Format
IAZB-ZN-6FNaBqFQh + 20015
Geohash Component
10-character geohash encoding latitude and longitude coordinates
Altitude Component
Precise altitude in meters
above sea level
Coverage Area
Each parcel represents exactly 1 cubic meter of atmospheric space within the operational altitude range
Rounding Protocol
Parameter
Rounding
Example
Latitude
6 decimal places
37.421998
Longitude
6 decimal places
-122.084000
Altitude
Nearest meter
20015
Precision Note
Standardized rounding ensures consistent parcel identification across all systems and prevents coordinate drift.

Atmospheric Zones

20,000 - 50,000m
Stratosphere
Contains the ozone layer. Temperature increases with altitude.
50,000 - 85,000m
Mesosphere
Coldest layer of atmosphere. Meteors burn up here.
85,000 - 160,000m
Lower Thermosphere
Temperature increases rapidly. Aurora phenomena occur.

Why It Matters

Shared Standard
Consistency across systems

A universal reference language that enables seamless integration and communication between different platforms working with atmospheric data.

Honest Symbolism
Dedications without ownership claims

Meaningful symbolic gestures, through our verified partners, that respect the global commons while providing verifiable records for personal, cultural, or commemorative purposes.

Trust at Scale
Publicly checkable and secured records

Transparent verification systems that anyone can audit, built on cryptographic foundations that ensure data integrity and prevent manipulation.

Legal & Policies

Important legal disclaimers and operational policies governing the IAZS

No Ownership Claims

IAZB defines parcel references but conveys no ownership or property rights over airspace.

Operational Standard

IAZS altitude window is an operational standard for reference, not a legal boundary or jurisdiction.

Permanent Records

All parcel records remain verifiable indefinitely through cryptographic verification systems.

Important Disclaimer

The International Atmospheric Zoning System (IAZS) is designed for reference and symbolic purposes only. Parcel dedications do not grant any legal rights, ownership, or control over airspace. All records are maintained as a public service for coordination and verification purposes.

DISCLAIMER

Novelty Registry Notice

All purchases, certificates, coordinate registrations, and digital services provided by Piece of the Sky and the International Atmospheric Zoning Bureau (IAZB) are strictly intended for commemorative, symbolic, and novelty entertainment purposes. Registration of specific coordinates does not confer any legal ownership, property rights, real estate titles, easements, or exclusive rights to any physical airspace, geographic location, or atmospheric zone. This database is privately maintained, independent, and holds no official connection to, endorsement from, or recognition by any government body, international aviation authority, scientific institution, or meteorological organization. The coordinates and certificates issued possess no real-world financial, investment, or commercial market value.