Pith Number

pith:HD66HVXV

pith:2019:HD66HVXVMQNWUHB7BCIIQO2L5C

not attested not anchored not stored refs pending

Edge-bipancyclicity of bubble-sort star graphs

Jia Guo, Mei Lu

arxiv:1907.06378 v1 · 2019-07-15 · 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{HD66HVXVMQNWUHB7BCIIQO2L5C}

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	2026-05-17T23:40:37.782616Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

38fde3d6f5641b6a1c3f0890883b4be8badfb67cd507f1658b00c377a4382c27

Aliases

arxiv: 1907.06378 · arxiv_version: 1907.06378v1 · doi: 10.48550/arxiv.1907.06378 · pith_short_12: HD66HVXVMQNW · pith_short_16: HD66HVXVMQNWUHB7 · pith_short_8: HD66HVXV

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/HD66HVXVMQNWUHB7BCIIQO2L5C \
  | 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: 38fde3d6f5641b6a1c3f0890883b4be8badfb67cd507f1658b00c377a4382c27

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a49d7fbec49a531ef3cb5313897bb7abbf30e7ed495fddec8c8f6bd01a7ab9e7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-07-15T09:10:49Z",
    "title_canon_sha256": "4955031a0c607ca90f11e535898731c31d766a923aa915957d82dc23727fac46"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06378",
    "kind": "arxiv",
    "version": 1
  }
}