Pith Number

pith:NE2AHCPL

pith:2017:NE2AHCPLZNZXCCLTBU33ZCVTDJ

not attested not anchored not stored refs pending

Estimating the epidemic risk using non-uniformly sampled contact data

Alain Barrat, Julie Fournet

arxiv:1709.01548 v1 · 2017-09-05 · physics.soc-ph · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NE2AHCPLZNZXCCLTBU33ZCVTDJ}

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	2026-05-18T00:35:54.845840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69340389ebcb737109730d37bc8ab31a632cff3e525371f5b52f9c796412a615

Aliases

arxiv: 1709.01548 · arxiv_version: 1709.01548v1 · doi: 10.48550/arxiv.1709.01548 · pith_short_12: NE2AHCPLZNZX · pith_short_16: NE2AHCPLZNZXCCLT · pith_short_8: NE2AHCPL

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/NE2AHCPLZNZXCCLTBU33ZCVTDJ \
  | 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: 69340389ebcb737109730d37bc8ab31a632cff3e525371f5b52f9c796412a615

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b8452957228584333ed3a427cee51005c26fdd60310a05e99e3f4de5ab0cfc16",
    "cross_cats_sorted": [
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2017-09-05T18:39:46Z",
    "title_canon_sha256": "cbc8ee2225a7c068e03b45c23fc62ba1a900bfdcbe75f86d588ef0ac846a95bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.01548",
    "kind": "arxiv",
    "version": 1
  }
}