Pith Number

pith:7WBRWIRY

pith:2011:7WBRWIRYGKZRRPV5H7EHNZB5JB

not attested not anchored not stored refs pending

Entropy-based Classification of 'Retweeting' Activity on Twitter

Kristina Lerman, Rumi Ghosh, Tawan Surachawala

arxiv:1106.0346 v1 · 2011-06-02 · cs.SI · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7WBRWIRYGKZRRPV5H7EHNZB5JB}

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	2026-05-18T04:20:50.616626Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd831b223832b318bebd3fc876e43d48664734ae3a89af9aed41a256bbd3b62c

Aliases

arxiv: 1106.0346 · arxiv_version: 1106.0346v1 · doi: 10.48550/arxiv.1106.0346 · pith_short_12: 7WBRWIRYGKZR · pith_short_16: 7WBRWIRYGKZRRPV5 · pith_short_8: 7WBRWIRY

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/7WBRWIRYGKZRRPV5H7EHNZB5JB \
  | 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: fd831b223832b318bebd3fc876e43d48664734ae3a89af9aed41a256bbd3b62c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c250a34f7e3d7af6ae9a85bb627067956f55daab574b8ed587252ff8ee2df00b",
    "cross_cats_sorted": [
      "cs.CY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2011-06-02T00:13:32Z",
    "title_canon_sha256": "e17a68ef546e51994bafe49143a3c655ad27749890904ca288c1fd472c60a7b4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.0346",
    "kind": "arxiv",
    "version": 1
  }
}