Pith Number

pith:LJRTGSZJ

pith:2012:LJRTGSZJVNZTRSRFV23DMAM6DN

not attested not anchored not stored refs pending

Improving News Ranking by Community Tweets

Johan Bollen, Xiaozhong Liu, Xin Shuai

arxiv:1202.3185 v2 · 2012-02-15 · cs.IR · 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{LJRTGSZJVNZTRSRFV23DMAM6DN}

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	2026-05-18T04:00:26.312873Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a63334b29ab7338ca25aeb636019e1b7fbaf740731493351151b6351242ffaf

Aliases

arxiv: 1202.3185 · arxiv_version: 1202.3185v2 · doi: 10.48550/arxiv.1202.3185 · pith_short_12: LJRTGSZJVNZT · pith_short_16: LJRTGSZJVNZTRSRF · pith_short_8: LJRTGSZJ

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/LJRTGSZJVNZTRSRFV23DMAM6DN \
  | 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: 5a63334b29ab7338ca25aeb636019e1b7fbaf740731493351151b6351242ffaf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da3a7ea68055b63eefe756eaf3bfc9ec17907332df0a11efa9b3d3fcde01ab28",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2012-02-15T01:35:26Z",
    "title_canon_sha256": "71f44b5041e84bc3da61a3b8dd829e38b2360f0de77cef8318b81eed7dc453f5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.3185",
    "kind": "arxiv",
    "version": 2
  }
}