Pith Number

pith:SOYHYMC2

pith:2021:SOYHYMC2NWFB3TJTBTPFBJ744A

not attested not anchored not stored refs pending

Moving the epidemic tipping point through topologically targeted social distancing

Frank Hellmann, Jobst Heitzig, Juergen Kurths, Mehrnaz Anvari, Nora Molkenthin, Oskar Pfeffer, Sara Ansari

arxiv:2102.09997 v2 · 2021-02-19 · 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{SOYHYMC2NWFB3TJTBTPFBJ744A}

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	2026-07-05T03:36:01.738040Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93b07c305a6d8a1dcd330cde50a7fce01ca21990a760351b4bec224e0b029f4a

Aliases

arxiv: 2102.09997 · arxiv_version: 2102.09997v2 · doi: 10.48550/arxiv.2102.09997 · pith_short_12: SOYHYMC2NWFB · pith_short_16: SOYHYMC2NWFB3TJT · pith_short_8: SOYHYMC2

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/SOYHYMC2NWFB3TJTBTPFBJ744A \
  | 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: 93b07c305a6d8a1dcd330cde50a7fce01ca21990a760351b4bec224e0b029f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a2343c9c46033f37b66a1d6f3f7f5352b30455cc076ae5ba8fc44c832d8d07e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2021-02-19T16:00:41Z",
    "title_canon_sha256": "008fdc00396c85aba2db13f22e9a087a90b638396d26f00a481331cdbb2fbd11"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09997",
    "kind": "arxiv",
    "version": 2
  }
}