Pith Number

pith:USUFPSEX

pith:2026:USUFPSEX76P7ORHXO4P3HPZPII

not attested not anchored not stored refs pending

Missing links prediction: comparing machine learning with physics-rooted approaches

Francesca Santucci, Giulio Cimini, Tiziano Squartini

arxiv:2601.23061 v2 · 2026-01-30 · physics.soc-ph · physics.app-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{USUFPSEX76P7ORHXO4P3HPZPII}

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.

Cited by

1 paper in Pith

A Bayesian approach to out-of-sample network reconstruction

Receipt and verification

First computed	2026-08-04T01:52:10.684947Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4a857c897ff9ff744f7771fb3bf2f4235adf44186d6d58560ed233895e8bf97

Aliases

arxiv: 2601.23061 · arxiv_version: 2601.23061v2 · doi: 10.48550/arxiv.2601.23061 · pith_short_12: USUFPSEX76P7 · pith_short_16: USUFPSEX76P7ORHX · pith_short_8: USUFPSEX

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/USUFPSEX76P7ORHXO4P3HPZPII \
  | 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: a4a857c897ff9ff744f7771fb3bf2f4235adf44186d6d58560ed233895e8bf97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "35a2b9270e618d2e496f7b59fb99ef28c3796373ca63140025ae82bf6942d06c",
    "cross_cats_sorted": [
      "physics.app-ph",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2026-01-30T15:09:56Z",
    "title_canon_sha256": "1f8992c6ab32be9bba131a3914c0c7b8a431e347bae707aefbb0a62b06ba60de"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2601.23061",
    "kind": "arxiv",
    "version": 2
  }
}