Pith Number

pith:YWTHUYPJ

pith:2013:YWTHUYPJ73REQ6NPJFLCGGIV3I

not attested not anchored not stored refs pending

Modeling complex spatial dynamics of two-population interaction in urbanization process

Feng Xu, Yanguang Chen

arxiv:1309.4860 v1 · 2013-09-19 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YWTHUYPJ73REQ6NPJFLCGGIV3I}

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	2026-05-18T01:12:36.718131Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c5a67a61e9fee24879af4956231915da1a4c7ccd9535b26ed0de10ad4ed38934

Aliases

arxiv: 1309.4860 · arxiv_version: 1309.4860v1 · doi: 10.48550/arxiv.1309.4860 · pith_short_12: YWTHUYPJ73RE · pith_short_16: YWTHUYPJ73REQ6NP · pith_short_8: YWTHUYPJ

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/YWTHUYPJ73REQ6NPJFLCGGIV3I \
  | 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: c5a67a61e9fee24879af4956231915da1a4c7ccd9535b26ed0de10ad4ed38934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3a570d0a06ddd1291445ee246d794044214e641f8455a5cafb1217965702dfe4",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-09-19T05:01:17Z",
    "title_canon_sha256": "b8831e266e3eff77b1931c405ce2449a34a275ea7191fd0e6f21666864c16b5b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.4860",
    "kind": "arxiv",
    "version": 1
  }
}