Pith Number

pith:HL2H6TB3

pith:2014:HL2H6TB32K4I2TPK74B7ZGN7GQ

not attested not anchored not stored refs pending

A Natural Generalization of Bounded Tree-Width and Bounded Clique-Width

Martin F\"urer

arxiv:1402.1810 v1 · 2014-02-08 · cs.DS · cs.CC · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HL2H6TB32K4I2TPK74B7ZGN7GQ}

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	2026-05-18T02:59:33.490699Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3af47f4c3bd2b88d4deaff03fc99bf340174d3fa3c6d75f6eb1f996e1cfa9fa6

Aliases

arxiv: 1402.1810 · arxiv_version: 1402.1810v1 · doi: 10.48550/arxiv.1402.1810 · pith_short_12: HL2H6TB32K4I · pith_short_16: HL2H6TB32K4I2TPK · pith_short_8: HL2H6TB3

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/HL2H6TB32K4I2TPK74B7ZGN7GQ \
  | 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: 3af47f4c3bd2b88d4deaff03fc99bf340174d3fa3c6d75f6eb1f996e1cfa9fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "39899a494d498afd795f82941feb3ff2c895db248e5a33b184b8e3e67928a45b",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-02-08T01:55:12Z",
    "title_canon_sha256": "650eda5fb6d5c80d29377f57173b1c26b714b9b807c0abe060e9ca1ffcffe9b5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.1810",
    "kind": "arxiv",
    "version": 1
  }
}