Pith Number

pith:72SU4D3I

pith:2012:72SU4D3I4ZOGDEA6TUMYND6WAR

not attested not anchored not stored refs pending

On voting intentions inference from Twitter content: a case study on UK 2010 General Election

Vasileios Lampos

arxiv:1204.0423 v11 · 2012-04-02 · 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{72SU4D3I4ZOGDEA6TUMYND6WAR}

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	2026-05-18T02:21:16.615738Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fea54e0f68e65c61901e9d19868fd604542adf2e431ab2a0e94a660c1486374d

Aliases

arxiv: 1204.0423 · arxiv_version: 1204.0423v11 · doi: 10.48550/arxiv.1204.0423 · pith_short_12: 72SU4D3I4ZOG · pith_short_16: 72SU4D3I4ZOGDEA6 · pith_short_8: 72SU4D3I

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/72SU4D3I4ZOGDEA6TUMYND6WAR \
  | 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: fea54e0f68e65c61901e9d19868fd604542adf2e431ab2a0e94a660c1486374d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49dfa2d5ba7b9284d97abcdd2c7118df1e4ada0f21524e29aaa3f9b350c9366",
    "cross_cats_sorted": [
      "physics.soc-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SI",
    "submitted_at": "2012-04-02T14:50:21Z",
    "title_canon_sha256": "adb8c1f1cc74232802a063452a2bcb78146e75e4767c5b99ef38d463e02ebff4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.0423",
    "kind": "arxiv",
    "version": 11
  }
}