Pith Number

pith:XL2XPQW4

pith:2013:XL2XPQW43AO67Q6CDAAKT3CNHN

not attested not anchored not stored refs pending

Word Storms: Multiples of Word Clouds for Visual Comparison of Documents

Charles Sutton, Quim Castella

arxiv:1301.0503 v1 · 2013-01-03 · cs.IR · cs.DL · cs.HC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XL2XPQW43AO67Q6CDAAKT3CNHN}

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	2026-05-18T03:37:19.470500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

baf577c2dcd81defc3c21800a9ec4d3b71c0f929b23dde15232dd0c1d3ec6676

Aliases

arxiv: 1301.0503 · arxiv_version: 1301.0503v1 · doi: 10.48550/arxiv.1301.0503 · pith_short_12: XL2XPQW43AO6 · pith_short_16: XL2XPQW43AO67Q6C · pith_short_8: XL2XPQW4

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/XL2XPQW43AO67Q6CDAAKT3CNHN \
  | 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: baf577c2dcd81defc3c21800a9ec4d3b71c0f929b23dde15232dd0c1d3ec6676

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "136f2643461325118d72c810531317256bf19b62ad659bcdceb97301d2f0f3b3",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.HC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2013-01-03T17:02:56Z",
    "title_canon_sha256": "2590c395c22e211bec26d64916c1027f42965cf8a8b805babeb262ca92c1e387"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.0503",
    "kind": "arxiv",
    "version": 1
  }
}