Pith Number

pith:MQZJ7FZF

pith:2010:MQZJ7FZFJTU3TAVHPATT5NX5DE

not attested not anchored not stored refs pending

Social Network Sensors for Early Detection of Contagious Outbreaks

James H. Fowler, Nicholas A. Christakis

arxiv:1004.4792 v1 · 2010-04-27 · physics.soc-ph · q-bio.OT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MQZJ7FZFJTU3TAVHPATT5NX5DE}

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	2026-05-18T04:17:03.371119Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

64329f97254ce9b982a778273eb6fd1916a9b12f3ae43e3a0d1f34d4672160de

Aliases

arxiv: 1004.4792 · arxiv_version: 1004.4792v1 · doi: 10.48550/arxiv.1004.4792 · pith_short_12: MQZJ7FZFJTU3 · pith_short_16: MQZJ7FZFJTU3TAVH · pith_short_8: MQZJ7FZF

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/MQZJ7FZFJTU3TAVHPATT5NX5DE \
  | 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: 64329f97254ce9b982a778273eb6fd1916a9b12f3ae43e3a0d1f34d4672160de

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c97adff2ceb0897012e7e87171c500a856bd32b1345c04d9faa147f0f77770",
    "cross_cats_sorted": [
      "q-bio.OT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-04-27T13:11:26Z",
    "title_canon_sha256": "e3073cdbe6380d39c519c5ec5665ee104f32cbade115c84afbeca37236d43253"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1004.4792",
    "kind": "arxiv",
    "version": 1
  }
}