Pith Number

pith:PBIMR2G3

pith:2011:PBIMR2G3CKH6QID5AFZYTKT2EP

not attested not anchored not stored refs pending

Natural human mobility patterns and spatial spread of infectious diseases

Dirk Brockmann, Theo Geisel, Vitaly Belik

arxiv:1103.6224 v2 · 2011-03-31 · physics.soc-ph · cond-mat.stat-mech · q-bio.PE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PBIMR2G3CKH6QID5AFZYTKT2EP}

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	2026-05-18T04:00:49.482012Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7850c8e8db128fe8207d017389aa7a23f7833a9a220b85055db752f3ed0989c0

Aliases

arxiv: 1103.6224 · arxiv_version: 1103.6224v2 · doi: 10.48550/arxiv.1103.6224 · pith_short_12: PBIMR2G3CKH6 · pith_short_16: PBIMR2G3CKH6QID5 · pith_short_8: PBIMR2G3

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/PBIMR2G3CKH6QID5AFZYTKT2EP \
  | 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: 7850c8e8db128fe8207d017389aa7a23f7833a9a220b85055db752f3ed0989c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08ff970746f603659ae9cd9397441eb99423c0665930aec2acfc142439241a3f",
    "cross_cats_sorted": [
      "cond-mat.stat-mech",
      "q-bio.PE"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-03-31T16:08:27Z",
    "title_canon_sha256": "a80ec4b5ff5976ad437a84dbcf630e26a38d80bacd1b06027560579faca3cb6f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.6224",
    "kind": "arxiv",
    "version": 2
  }
}