Pith Number

pith:KVVE5IQ3

pith:2011:KVVE5IQ3YLDVRSQTD44I24NBHO

not attested not anchored not stored refs pending

On the connectivity of visibility graphs

Attila P\'or, David R. Wood, Michael S. Payne, Pavel Valtr

arxiv:1106.3622 v1 · 2011-06-18 · 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{KVVE5IQ3YLDVRSQTD44I24NBHO}

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	2026-05-18T03:35:41.406039Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

556a4ea21bc2c758ca131f388d71a13b80dcf144da67922b21fd5fedfb3d518d

Aliases

arxiv: 1106.3622 · arxiv_version: 1106.3622v1 · doi: 10.48550/arxiv.1106.3622 · pith_short_12: KVVE5IQ3YLDV · pith_short_16: KVVE5IQ3YLDVRSQT · pith_short_8: KVVE5IQ3

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/KVVE5IQ3YLDVRSQTD44I24NBHO \
  | 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: 556a4ea21bc2c758ca131f388d71a13b80dcf144da67922b21fd5fedfb3d518d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45402ab7a793a77514879e3ad0cd37537240fd87dc1c1cf8c83154bfa1351705",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-06-18T07:23:00Z",
    "title_canon_sha256": "dd9b8b95c84d87196357b5ec23b4e46e1c40648b6f2a55d2b1c3b5ce9c689bae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.3622",
    "kind": "arxiv",
    "version": 1
  }
}