Pith Number

pith:LRWUM5CP

pith:2009:LRWUM5CPX36BMOOW66P2MORISI

not attested not anchored not stored refs pending

Investigating an online social network using spatial interaction models

Conrad Lee, Michael J. Barber, Thomas Scherngell

arxiv:0911.1229 v3 · 2009-11-06 · 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{LRWUM5CPX36BMOOW66P2MORISI}

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	2026-05-18T04:35:47.850252Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c6d46744fbefc1639d6f79fa63a2892336e0a6ab1c1d4b3f61fa05b60764fba

Aliases

arxiv: 0911.1229 · arxiv_version: 0911.1229v3 · doi: 10.48550/arxiv.0911.1229 · pith_short_12: LRWUM5CPX36B · pith_short_16: LRWUM5CPX36BMOOW · pith_short_8: LRWUM5CP

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/LRWUM5CPX36BMOOW66P2MORISI \
  | 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: 5c6d46744fbefc1639d6f79fa63a2892336e0a6ab1c1d4b3f61fa05b60764fba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e8c07d3b341b5750150455650d706117a5c1658ff7ca342e24ebf076e2f46987",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2009-11-06T11:26:22Z",
    "title_canon_sha256": "5d5bb358bd9388984eb0249b4c6e4fa4d4be791c9638b0fbb563af8791501c8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0911.1229",
    "kind": "arxiv",
    "version": 3
  }
}