Pith Number

pith:OOHFV7AB

pith:2013:OOHFV7AB2W6Y7RSMLGPXP7BVDQ

not attested not anchored not stored refs pending

Clustering Without (Thinking About) Triangulation

Denise L. Draper

arxiv:1302.4941 v1 · 2013-02-20 · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OOHFV7AB2W6Y7RSMLGPXP7BVDQ}

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	2026-05-18T03:33:01.015452Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

738e5afc01d5bd8fc64c599f77fc351c3eead34f44cb9abd29dacc060eb5bb81

Aliases

arxiv: 1302.4941 · arxiv_version: 1302.4941v1 · doi: 10.48550/arxiv.1302.4941 · pith_short_12: OOHFV7AB2W6Y · pith_short_16: OOHFV7AB2W6Y7RSM · pith_short_8: OOHFV7AB

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/OOHFV7AB2W6Y7RSMLGPXP7BVDQ \
  | 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: 738e5afc01d5bd8fc64c599f77fc351c3eead34f44cb9abd29dacc060eb5bb81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cec54d42d3a38672292d868bc1e0ec898d9f7952f1bedadaaf914a53f50bfd8f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2013-02-20T15:19:57Z",
    "title_canon_sha256": "cc838c3593b48f02e5b10abf37de6a847801e76042f82ad825cfe6341b49f8bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.4941",
    "kind": "arxiv",
    "version": 1
  }
}