Pith Number

pith:DVCCH3G5

pith:2011:DVCCH3G5VMNHO4LWI347LV4CRW

not attested not anchored not stored refs pending

Social Structure of Facebook Networks

Amanda L. Traud, Mason A. Porter, Peter J. Mucha

arxiv:1102.2166 v1 · 2011-02-10 · cs.SI · nlin.AO · physics.soc-ph

Open paper page JSON Open Graph Bundle Merged state What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DVCCH3G5VMNHO4LWI347LV4CRW}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T02:03:12.584110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d4423ecddab1a77717646f9f5d7828dbe6339e9a4d6aa7fe37aca7df2ea669b

Aliases

arxiv: 1102.2166 · arxiv_version: 1102.2166v1 · doi: 10.48550/arxiv.1102.2166 · pith_short_12: DVCCH3G5VMNH · pith_short_16: DVCCH3G5VMNHO4LW · pith_short_8: DVCCH3G5

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/DVCCH3G5VMNHO4LWI347LV4CRW \
  | 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: 1d4423ecddab1a77717646f9f5d7828dbe6339e9a4d6aa7fe37aca7df2ea669b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4d16e160fd006e188b8c7405048e61c395e17a4912622f9dafd0e1f68da46c2b",
    "cross_cats_sorted": [
      "nlin.AO",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-02-10T16:34:25Z",
    "title_canon_sha256": "f7996bce8eb060636dee8e8f964d9707b7a0dca2027b84ca75099d14a0d46359"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1102.2166",
    "kind": "arxiv",
    "version": 1
  }
}