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nip73: Add OSM tag kind #2224

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nip73: Add OSM tag kind
DestBro Feb 14, 2026
7602acb
Update OSM ID entries in 73.md
DestBro Feb 14, 2026
a4266be
Fix typo in OSM Relation identifier
DestBro Feb 14, 2026
cffb334
Revise OpenStreetMap object ID explanation
DestBro Feb 14, 2026
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11 changes: 11 additions & 0 deletions 73.md
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Expand Up @@ -18,6 +18,9 @@ There are certain established global content identifiers such as [Book ISBNs](ht
| URLs | "`<URL, normalized, no fragment>`" | "web" |
| Books | "isbn:`<id, without hyphens>`" | "isbn" |
| Geohashes | "geo:`<geohash, lowercase>`" | "geo" |
| OSM Way | "osm:way:`<POI id>`" | "osm" |
| OSM Node | "osm:node:`<Node id>`" | "osm" |
| OSM Relation | "osm:relation:`<Relation id>`" | "osm" |
| Countries | "iso3166:`<code, uppercase>`" | "iso3166" |
| Movies | "isan:`<id, without version part>`" | "isan" |
| Papers | "doi:`<id, lowercase>`" | "doi" |
Expand Down Expand Up @@ -50,6 +53,14 @@ For the webpage "https://myblog.example.com/post/2012-03-27/hello-world" the "i"

Geohashes are a geocoding system that encodes geographic locations into short strings of letters and digits. They MUST be lowercase.

### OpenStreetMap Object References:

- Node: `["i", "osm:node:240949599"]` – https://www.openstreetmap.org/node/240949599
- Way: `["i", "osm:way:5013364"]` – https://www.openstreetmap.org/way/5013364
- Relation: `["i", "osm:relation:62422"]` – https://www.openstreetmap.org/relation/62422

OpenStreetMap object IDs are globally unique identifiers. They use the lowercase format `osm:<type>:<id>` where `<type>` is one of `node`, `way`, or `relation`, and `<id>` is a numeric identifier.

### Countries:

ISO 3166 codes can reference countries (ISO 3166-1 alpha-2) or subdivisions like states/provinces (ISO 3166-2).
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