Pith Number

pith:KVOSTYJT

pith:2012:KVOSTYJTGQOKAJU6CHMKULKUV6

not attested not anchored not stored refs pending

Using Friends as Sensors to Detect Global-Scale Contagious Outbreaks

Esteban Moro Egido, James H. Fowler, Manuel Cebrian, Manuel Garcia-Herranz, Nicholas A. Christakis

arxiv:1211.6512 v1 · 2012-11-28 · cs.SI · 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{KVOSTYJTGQOKAJU6CHMKULKUV6}

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	2026-05-18T03:39:51.305046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

555d29e133341ca0269e11d8aa2d54af897ae0a383dc00cc83b01b281c497d6c

Aliases

arxiv: 1211.6512 · arxiv_version: 1211.6512v1 · doi: 10.48550/arxiv.1211.6512 · pith_short_12: KVOSTYJTGQOK · pith_short_16: KVOSTYJTGQOKAJU6 · pith_short_8: KVOSTYJT

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/KVOSTYJTGQOKAJU6CHMKULKUV6 \
  | 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: 555d29e133341ca0269e11d8aa2d54af897ae0a383dc00cc83b01b281c497d6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3bfc381614d7c26dd5c9eadfcf5fb5e9c86a0450551f5606cc4b1bf5de35e80",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-11-28T03:45:14Z",
    "title_canon_sha256": "354525b6ef4a7c763eeeaa72dabe278450341ba1c1b80b9fcb33f7d26b1bee29"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1211.6512",
    "kind": "arxiv",
    "version": 1
  }
}