Pith Number

pith:724RHO7V

pith:1997:724RHO7V74AGIXF7L2OUTQIOSA

not attested not anchored not stored refs pending

Complexes of not $i$-connected graphs

Anders Bj\"orner, Eric Babson, John Shareshian, Svante Linusson, Volkmar Welker

arxiv:math/9705219 v1 · 1997-05-11 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{724RHO7V74AGIXF7L2OUTQIOSA}

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	2026-05-18T01:05:35.302377Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

feb913bbf5ff00645cbf5e9d49c10e9021a72f3c794f926e9e67d17c2c485322

Aliases

arxiv: math/9705219 · arxiv_version: math/9705219v1 · doi: 10.48550/arxiv.math/9705219 · pith_short_12: 724RHO7V74AG · pith_short_16: 724RHO7V74AGIXF7 · pith_short_8: 724RHO7V

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/724RHO7V74AGIXF7L2OUTQIOSA \
  | 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: feb913bbf5ff00645cbf5e9d49c10e9021a72f3c794f926e9e67d17c2c485322

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "861d2abda672eab81cd2e1a3c0adff58a4e96ae44769c62775dce2b0481a9f31",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1997-05-11T00:00:00Z",
    "title_canon_sha256": "dc5126365fb565f5f08825b4d01a6d11cca918e833bdb66e00b95c26fd6c8bfb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9705219",
    "kind": "arxiv",
    "version": 1
  }
}