Pith Number

pith:TIOBNGJW

pith:2013:TIOBNGJW2YVXXPUIWBEJD6SZZ2

not attested not anchored not stored refs pending

Group Evolution Discovery in Social Networks

Piotr Br\'odka, Przemys{\l}aw Kazienko, Stanis{\l}aw Saganowski

arxiv:1304.4137 v1 · 2013-04-15 · 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{TIOBNGJW2YVXXPUIWBEJD6SZZ2}

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	2026-05-18T03:27:55.380074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9a1c169936d62b7bbe88b04891fa59cea91e7432e9df9f34f5a8adb00ede5b57

Aliases

arxiv: 1304.4137 · arxiv_version: 1304.4137v1 · doi: 10.48550/arxiv.1304.4137 · pith_short_12: TIOBNGJW2YVX · pith_short_16: TIOBNGJW2YVXXPUI · pith_short_8: TIOBNGJW

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/TIOBNGJW2YVXXPUIWBEJD6SZZ2 \
  | 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: 9a1c169936d62b7bbe88b04891fa59cea91e7432e9df9f34f5a8adb00ede5b57

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e71fb8a935ff80b05593526814a92fa07b786391d2f7c76b0c73e692e52722a4",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2013-04-15T15:43:37Z",
    "title_canon_sha256": "c4869583ea456703eb52251f51c5976d9017b489221a41598c4b0b3e5d5cf2a9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4137",
    "kind": "arxiv",
    "version": 1
  }
}