Pith Number

pith:PB7T72RV

pith:2011:PB7T72RVQRJFTHDO6L532XSUTE

not attested not anchored not stored refs pending

Node Classification in Social Networks

Graham Cormode, Smriti Bhagat, S. Muthukrishnan

arxiv:1101.3291 v1 · 2011-01-17 · 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{PB7T72RVQRJFTHDO6L532XSUTE}

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	2026-05-18T02:03:39.043904Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

787f3fea358452599c6ef2fbbd5e5499329470f73570077afb68c7d5cab2c1ba

Aliases

arxiv: 1101.3291 · arxiv_version: 1101.3291v1 · doi: 10.48550/arxiv.1101.3291 · pith_short_12: PB7T72RVQRJF · pith_short_16: PB7T72RVQRJFTHDO · pith_short_8: PB7T72RV

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/PB7T72RVQRJFTHDO6L532XSUTE \
  | 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: 787f3fea358452599c6ef2fbbd5e5499329470f73570077afb68c7d5cab2c1ba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2aa9111f651b5d7922ff4960735de3ce1cd89553c4dd5c5045401d03eafdcec0",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-01-17T19:14:46Z",
    "title_canon_sha256": "390c7ed722dbce15cb71baf15137391d751479344eeeb47b0e34ae8c6007f035"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1101.3291",
    "kind": "arxiv",
    "version": 1
  }
}