Pith Number

pith:SNLSOZNE

pith:2012:SNLSOZNE42W5XQ7IATSUUPSDQV

not attested not anchored not stored refs pending

Social Contagion: An Empirical Study of Information Spread on Digg and Twitter Follower Graphs

Kristina Lerman, Rumi Ghosh, Tawan Surachawala

arxiv:1202.3162 v2 · 2012-02-14 · cs.SI · cs.CY · physics.data-an · 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{SNLSOZNE42W5XQ7IATSUUPSDQV}

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	2026-05-18T03:16:06.558357Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

93572765a4e6addbc3e804e54a3e438553e1ba354e1995e3699c4c33277fff0c

Aliases

arxiv: 1202.3162 · arxiv_version: 1202.3162v2 · doi: 10.48550/arxiv.1202.3162 · pith_short_12: SNLSOZNE42W5 · pith_short_16: SNLSOZNE42W5XQ7I · pith_short_8: SNLSOZNE

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/SNLSOZNE42W5XQ7IATSUUPSDQV \
  | 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: 93572765a4e6addbc3e804e54a3e438553e1ba354e1995e3699c4c33277fff0c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "256ce5b292015cbe23dbf96a9762dc5ba68e6e7ad5f6eda9918989d9030b52c7",
    "cross_cats_sorted": [
      "cs.CY",
      "physics.data-an",
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-02-14T21:56:54Z",
    "title_canon_sha256": "fe96dde698b1611f058c57d13614b661c37a2fe0772e939ca2d47a3ddb9c6c1f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3162",
    "kind": "arxiv",
    "version": 2
  }
}