Pith Number

pith:QPSMLOGV

pith:2010:QPSMLOGVFY54WT6K2Z64KHBMEL

not attested not anchored not stored refs pending

Modeling the evolution of continuously-observed networks: Communication in a Facebook-like community

Bernie Hogan, Tore Opsahl

arxiv:1010.2141 v2 · 2010-10-11 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{QPSMLOGVFY54WT6K2Z64KHBMEL}

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	2026-05-18T04:15:16.760130Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83e4c5b8d52e3bcb4fcad67dc51c2c22f374fcb5e3df3cc59e0e94a6da706861

Aliases

arxiv: 1010.2141 · arxiv_version: 1010.2141v2 · doi: 10.48550/arxiv.1010.2141 · pith_short_12: QPSMLOGVFY54 · pith_short_16: QPSMLOGVFY54WT6K · pith_short_8: QPSMLOGV

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/QPSMLOGVFY54WT6K2Z64KHBMEL \
  | 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: 83e4c5b8d52e3bcb4fcad67dc51c2c22f374fcb5e3df3cc59e0e94a6da706861

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2622479653f55a5e467a3933d985f9447211e437c8666ca4411ca6781e52dca6",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2010-10-11T15:45:58Z",
    "title_canon_sha256": "53248317bc9f51241818cb2b307e6590cd2e1c217a108aeb83a061256ffe71fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1010.2141",
    "kind": "arxiv",
    "version": 2
  }
}