Pith Number

pith:2EUV3UUO

pith:2012:2EUV3UUOBOE5NHOWOXR77FR4ZF

not attested not anchored not stored refs pending

The HIM glocal metric and kernel for network comparison and classification

Cesare Furlanello, Giuseppe Jurman, Michele Filosi, Roberto Visintainer, Samantha Riccadonna

arxiv:1201.2931 v3 · 2012-01-13 · math.CO · cs.SI · 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{2EUV3UUOBOE5NHOWOXR77FR4ZF}

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	2026-05-18T03:07:42.575941Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d1295dd28e0b89d69dd675e3ff963cc956c5d5b3da828ef79d5473b6e63c29a8

Aliases

arxiv: 1201.2931 · arxiv_version: 1201.2931v3 · doi: 10.48550/arxiv.1201.2931 · pith_short_12: 2EUV3UUOBOE5 · pith_short_16: 2EUV3UUOBOE5NHOW · pith_short_8: 2EUV3UUO

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/2EUV3UUOBOE5NHOWOXR77FR4ZF \
  | 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: d1295dd28e0b89d69dd675e3ff963cc956c5d5b3da828ef79d5473b6e63c29a8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3ab8093751036eab300bcc0fa6e3ec69c3ce07b3bc09413a0b7005f803a5de7e",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-01-13T20:44:52Z",
    "title_canon_sha256": "e196a88e363a8467b29e259f1b016e0d824a51a9e7a00cc489aef23b874e5f76"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1201.2931",
    "kind": "arxiv",
    "version": 3
  }
}