Pith Number

pith:F4XSQ277

pith:2011:F4XSQ277GEKCK6WSDSWLJUDM2X

not attested not anchored not stored refs pending

Evolution of scaling emergence in large-scale spatial epidemic spreading

Kan Zhang, Lin Wang, Xiang Li, Yan Zhang, Yi-Qing Zhang

arxiv:1105.4965 v1 · 2011-05-25 · physics.soc-ph · cs.SI · physics.data-an · 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{F4XSQ277GEKCK6WSDSWLJUDM2X}

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	2026-05-18T04:21:20.995032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2f2f286bff3114257ad21cacb4d06cd5e681088838510923760fe4c4109db6b6

Aliases

arxiv: 1105.4965 · arxiv_version: 1105.4965v1 · doi: 10.48550/arxiv.1105.4965 · pith_short_12: F4XSQ277GEKC · pith_short_16: F4XSQ277GEKCK6WS · pith_short_8: F4XSQ277

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/F4XSQ277GEKCK6WSDSWLJUDM2X \
  | 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: 2f2f286bff3114257ad21cacb4d06cd5e681088838510923760fe4c4109db6b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6e5898e199f8159a75bb6059c82f79a3798ea1fd296ab61b93770ce6a8f6fc2e",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an",
      "q-bio.PE"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2011-05-25T08:27:37Z",
    "title_canon_sha256": "eec12fd97b3e1295200424edfdc140f7a94cddb0f323608935a8af4843ee8d74"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.4965",
    "kind": "arxiv",
    "version": 1
  }
}