Pith Number

pith:WXAX2BOV

pith:2015:WXAX2BOVJB3PC2HVN4TZKKWWXM

not attested not anchored not stored refs pending

Limits of Friendship Networks in Predicting Epidemic Risk

Iyad Rahwan, Lorenzo Coviello, Manuel Garcia-Herranz, Massimo Franceschetti

arxiv:1509.08368 v4 · 2015-09-28 · physics.soc-ph · cs.SI · 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{WXAX2BOVJB3PC2HVN4TZKKWWXM}

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	2026-05-18T01:28:45.555478Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b5c17d05d54876f168f56f27952ad6bb161766d3e03d7adff25e0421f086ba4e

Aliases

arxiv: 1509.08368 · arxiv_version: 1509.08368v4 · doi: 10.48550/arxiv.1509.08368 · pith_short_12: WXAX2BOVJB3P · pith_short_16: WXAX2BOVJB3PC2HV · pith_short_8: WXAX2BOV

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/WXAX2BOVJB3PC2HVN4TZKKWWXM \
  | 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: b5c17d05d54876f168f56f27952ad6bb161766d3e03d7adff25e0421f086ba4e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c74f6b2ee24a0fbded1e0b49cf6dc3939f368ecd5069eb5fb2b6971979f9ae0",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2015-09-28T15:47:13Z",
    "title_canon_sha256": "a2cfbe783955ef7e8c7a13078a67842368ef3ebb5afe12ab6f6e5cb4a93fb10d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.08368",
    "kind": "arxiv",
    "version": 4
  }
}