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GID™ Code Reserved Areas

GID Code is backward compatible with many existing Auto-IDs or even commonly used identifiers and addresses.
On this page is a technical implementation of that compatibility described.
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EAN / GTIN / IAN / JAN / SSCC / UPC / ISBN

International Article Number and Serial Shipping Container Code
GID of following ranges are reserved for backward compatibility. Registration of new codes is free at GID. Already purchased codes can be registered at GID for free as well:

Secret Area

P-Area codes

GID P0000 - PYYYYYYYYYYYȲ(YYYYYYYYYYYYYYYYYYYYYYY)

are registered and reserved, but information are available only to persons or services you explicitly allow. Typical use case are DPM (direct part marking) codes or products which do not have public information available (some medical supplies, spare parts...).

Personal Area

All GID codes starting with E, that means

GID: E0000 — GID: EYYYYYYYYYYYȲ(YYYYYYYYYYYYYYYYYYYYYYY)

can be used without registration in proprietary implementation which does not get outside of your domain or simple use case.
For example member ID valid only on one website, etc.

Time and Date

GID C00000000 - CYYYYYYYY is used to represent GMT time since 1st January, Year 0000 in seconds.

Global Position

GID C0000000000000 - CYYYYYYYYYYYYY is used to represent location on Earth with 1 meter precission based on MGRS.

GUID / UUID

GID can replace GUID / UUID in your implementation. Mapping can be based on:

Humans

GID H000 - HYYȲ is used as identification of a single person. Registration needed.
You can register your self and reserve your GID together with personal profile, website and cloud to store your data.

Animals

GID A000 - AYYȲ is used as identification of single animal (cattle, cats, dogs,...). Registration needed (compatible with EU requirement for chipping of animals crossing borders).

IPv4 IP Address

Please note that public resources, such as servers, IoT, robots, websites have dedicated area of GIDs starting with a letter T. IPv6 addresses need to be registered.
Following areas are reserved for IPv4 and are mapped directly to IPv4, no reservation needed (unless you want to change a description).

Decimal / Hexadecimal Compatibility

GID Code is BASE25 (little endian) code which has charset not compatible with common hexadecimal representation, however in all algorithms can following mapping be used if human readability is required.
GID Code uses different (uppercase only) characters to improve readability (especially damaged) and misinterpretation within OCR code and when read by a human (to avoid common mistakes like oO0, l1i, 8BR and so on If shortest possible representation is required, simple base conversion is needed.
Examples of how GID effectivelly shortens the values:
DecimalHexadecimalGID
00h0
15FhK
2419hY
10003E8h0K1
50001388h008
156243D08hYYY
244140624E8d4A50hYYYYYY
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