Pith Number

pith:SJKKQNUV

pith:2015:SJKKQNUVL5SAKC7AX4NVYYIRM7

not attested not anchored not stored refs pending

The Strong Arnold Property for 4-connected flat graphs

Alexander Schrijver, Bart Sevenster

arxiv:1512.03200 v1 · 2015-12-10 · 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{SJKKQNUVL5SAKC7AX4NVYYIRM7}

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	2026-05-18T01:24:37.657444Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9254a836955f64050be0bf1b5c611167ee2c59cd8d6a4e8963e35a10d16b587b

Aliases

arxiv: 1512.03200 · arxiv_version: 1512.03200v1 · doi: 10.48550/arxiv.1512.03200 · pith_short_12: SJKKQNUVL5SA · pith_short_16: SJKKQNUVL5SAKC7A · pith_short_8: SJKKQNUV

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/SJKKQNUVL5SAKC7AX4NVYYIRM7 \
  | 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: 9254a836955f64050be0bf1b5c611167ee2c59cd8d6a4e8963e35a10d16b587b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdf1364a6bddf45e09dcceb66bfc34d607b3864f02be3736f6f79f111316f173",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-12-10T10:30:29Z",
    "title_canon_sha256": "295ce8129919cc6b42dc61dcb02a738b5b541c6876653b5b88d286e350ac5886"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1512.03200",
    "kind": "arxiv",
    "version": 1
  }
}