Pith Number

pith:WE42R4UV

pith:2018:WE42R4UVYJDDJZ4ZR3HHTHYHSD

not attested not anchored not stored refs pending

Activation thresholds in epidemic spreading with motile infectious agents on scale-free networks

Diogo H. Silva, Silvio C. Ferreira

arxiv:1808.01004 v2 · 2018-08-02 · 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{WE42R4UVYJDDJZ4ZR3HHTHYHSD}

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	2026-05-17T23:58:38.279025Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b139a8f295c24634e7998ece799f0790d77fb69f1187f7c6a5989c51c278f251

Aliases

arxiv: 1808.01004 · arxiv_version: 1808.01004v2 · doi: 10.48550/arxiv.1808.01004 · pith_short_12: WE42R4UVYJDD · pith_short_16: WE42R4UVYJDDJZ4Z · pith_short_8: WE42R4UV

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/WE42R4UVYJDDJZ4ZR3HHTHYHSD \
  | 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: b139a8f295c24634e7998ece799f0790d77fb69f1187f7c6a5989c51c278f251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bcb6dce3e83cd461d78c02acb5ba38d4a73d569db71bb3602136b46287e6555f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2018-08-02T20:03:31Z",
    "title_canon_sha256": "fe2d7524ea6f5a9e1b5c68eeff1af14e1b0acb28ad91ca4af4efc24c8f21c3a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.01004",
    "kind": "arxiv",
    "version": 2
  }
}