Pith Number

pith:VHUT3BVX

pith:2014:VHUT3BVX4EQAH7XXBVOMRDGF7X

not attested not anchored not stored refs pending

Respondent-driven sampling and an unusual epidemic

Fredrik Liljeros, Jens Malmros, Tom Britton

arxiv:1411.4867 v1 · 2014-11-11 · physics.soc-ph · cs.SI · math.PR · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VHUT3BVX4EQAH7XXBVOMRDGF7X}

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	2026-05-18T02:34:51.092032Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a9e93d86b7e12003fef70d5cc88cc5fde8d54a354458cf5d8b0a20d09394ff6b

Aliases

arxiv: 1411.4867 · arxiv_version: 1411.4867v1 · doi: 10.48550/arxiv.1411.4867 · pith_short_12: VHUT3BVX4EQA · pith_short_16: VHUT3BVX4EQAH7XX · pith_short_8: VHUT3BVX

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/VHUT3BVX4EQAH7XXBVOMRDGF7X \
  | 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: a9e93d86b7e12003fef70d5cc88cc5fde8d54a354458cf5d8b0a20d09394ff6b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7689b8c384078865eb05112bfc5944c67a0d289d6138f12835c5979ba23599e8",
    "cross_cats_sorted": [
      "cs.SI",
      "math.PR",
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-11-11T16:11:33Z",
    "title_canon_sha256": "77c08845cbfc8808f6f1f44ce484f007b5115ec4c48b1dabcb71dadd585954d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1411.4867",
    "kind": "arxiv",
    "version": 1
  }
}