Pith Number

pith:7V4MLPF7

pith:2012:7V4MLPF723WY7D63Y5GNRL36RN

not attested not anchored not stored refs pending

On Facebook, most ties are weak

Alessandro Provetti, Emilio Ferrara, Giacomo Fiumara, Pasquale De Meo

arxiv:1203.0535 v2 · 2012-03-02 · cs.SI · cs.CY · 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{7V4MLPF723WY7D63Y5GNRL36RN}

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	2026-05-18T02:38:53.358107Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd78c5bcbfd6ed8f8fdbc74cd8af7e8b6b2707b9d3582bc449dfe941de32d0df

Aliases

arxiv: 1203.0535 · arxiv_version: 1203.0535v2 · doi: 10.48550/arxiv.1203.0535 · pith_short_12: 7V4MLPF723WY · pith_short_16: 7V4MLPF723WY7D63 · pith_short_8: 7V4MLPF7

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/7V4MLPF723WY7D63Y5GNRL36RN \
  | 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: fd78c5bcbfd6ed8f8fdbc74cd8af7e8b6b2707b9d3582bc449dfe941de32d0df

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "15f401b72c304db8e2ab4116a9db8bb2455b9a89ecab58a18a86c82e6d8f3a94",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-03-02T17:56:29Z",
    "title_canon_sha256": "f6978ff1bfad99085fc0737e1d8a6621bc2dde429a9e311ecc1f2887cbc65b4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.0535",
    "kind": "arxiv",
    "version": 2
  }
}