Pith Number

pith:KNNVKQSC

pith:2022:KNNVKQSCXWCSYSRX2QMMLXBZF7

not attested not anchored not stored refs pending

Uncertainty prediction of built-up areas from global human settlement data in the United States based on landscape metrics

Johannes H. Uhl, Stefan Leyk

arxiv:2205.09023 v1 · 2022-05-18 · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KNNVKQSCXWCSYSRX2QMMLXBZF7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more · Embed verified badge

Record completeness

1 Bitcoin timestamp

2 Internet Archive

3 Author claim open · sign in to claim

4 Citations open

5 Replications open

✓ Portable graph bundle live · download bundle · merged state

The bundle contains the canonical record plus signed events. A mirror can host it anywhere and recompute the same current state with the deterministic merge algorithm.

Receipt and verification

First computed	2026-07-05T05:17:11.062839Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

535b554242bd852c4a37d418c5dc392fe276df18795aad222811bafdb0ca73d8

Aliases

arxiv: 2205.09023 · arxiv_version: 2205.09023v1 · doi: 10.48550/arxiv.2205.09023 · pith_short_12: KNNVKQSCXWCS · pith_short_16: KNNVKQSCXWCSYSRX · pith_short_8: KNNVKQSC

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/KNNVKQSCXWCSYSRX2QMMLXBZF7 \
  | jq -c '.canonical_record' \
  | python3 -c "import sys,json,hashlib; b=json.dumps(json.loads(sys.stdin.read()), sort_keys=True, separators=(',',':'), ensure_ascii=False).encode(); print(hashlib.sha256(b).hexdigest())"
# expect: 535b554242bd852c4a37d418c5dc392fe276df18795aad222811bafdb0ca73d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ca58793e418ab24946f6386674dd6913775ead506331f38e8cdd7312d41e5595",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2022-05-18T16:01:30Z",
    "title_canon_sha256": "3df19545543297ef7096888eeb018694b799247aa7cef7ca1ce363928f81c964"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2205.09023",
    "kind": "arxiv",
    "version": 1
  }
}