Pith Number

pith:OBM5JHSQ

pith:2014:OBM5JHSQS2JNR6PVJN4QSLRMUH

not attested not anchored not stored refs pending

Universality of intervals of line graph order

Jan Hubi\v{c}ka, Ji\v{r}\'i Fiala, Yangjing Long

arxiv:1402.3736 v2 · 2014-02-16 · math.CO · 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{OBM5JHSQS2JNR6PVJN4QSLRMUH}

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	2026-05-18T02:53:53.122432Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7059d49e509692d8f9f54b79092e2ca1e872906215b3ce7019a27bbc11f758c1

Aliases

arxiv: 1402.3736 · arxiv_version: 1402.3736v2 · doi: 10.48550/arxiv.1402.3736 · pith_short_12: OBM5JHSQS2JN · pith_short_16: OBM5JHSQS2JNR6PV · pith_short_8: OBM5JHSQ

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/OBM5JHSQS2JNR6PVJN4QSLRMUH \
  | 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: 7059d49e509692d8f9f54b79092e2ca1e872906215b3ce7019a27bbc11f758c1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd6437548eb0682ad22c0ada230336cd5f71880540148f1623232cb0b001acfe",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-02-16T00:15:54Z",
    "title_canon_sha256": "a74ae45afc5dabe23a1067525a14e0bc4f9ae69a80ae7e718e481b4fa13c7fa0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1402.3736",
    "kind": "arxiv",
    "version": 2
  }
}