Pith Number

pith:QBRHBV7R

pith:2014:QBRHBV7RHAF4IFCW6V7RBT6LWK

not attested not anchored not stored refs pending

Minimum degree condition for spanning generalized Halin graphs

Guantao Chen, Ping Yang, Songling Shan

arxiv:1412.2374 v1 · 2014-12-07 · 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{QBRHBV7RHAF4IFCW6V7RBT6LWK}

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	2026-05-18T02:31:58.127381Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

806270d7f1380bc41456f57f10cfcbb2948af6ec6192c31b03e32f0370a247c4

Aliases

arxiv: 1412.2374 · arxiv_version: 1412.2374v1 · doi: 10.48550/arxiv.1412.2374 · pith_short_12: QBRHBV7RHAF4 · pith_short_16: QBRHBV7RHAF4IFCW · pith_short_8: QBRHBV7R

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/QBRHBV7RHAF4IFCW6V7RBT6LWK \
  | 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: 806270d7f1380bc41456f57f10cfcbb2948af6ec6192c31b03e32f0370a247c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "93e79b48544ca6a9e4b5b184e096fd1286f150d5975c85c6526978d4791566a6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/3.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-12-07T17:30:37Z",
    "title_canon_sha256": "e990dab5350f349a53aef81a1a8a492bc2b10e2dee6154ed8c5276cdfa9222d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.2374",
    "kind": "arxiv",
    "version": 1
  }
}