Pith Number

pith:FBY3DG4S

pith:2015:FBY3DG4SF7WN4CW665HBWUAN37

not attested not anchored not stored refs pending

Proper connection numbers of complementary graphs

Fei Huang, Shujing Wang, Xueliang Li

arxiv:1504.02414 v2 · 2015-04-09 · 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{FBY3DG4SF7WN4CW665HBWUAN37}

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	2026-05-18T02:17:32.920408Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2871b19b922fecde0adef74e1b500ddffb6f5cd73f0315546b74422d073df499

Aliases

arxiv: 1504.02414 · arxiv_version: 1504.02414v2 · doi: 10.48550/arxiv.1504.02414 · pith_short_12: FBY3DG4SF7WN · pith_short_16: FBY3DG4SF7WN4CW6 · pith_short_8: FBY3DG4S

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/FBY3DG4SF7WN4CW665HBWUAN37 \
  | 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: 2871b19b922fecde0adef74e1b500ddffb6f5cd73f0315546b74422d073df499

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fedc789dc7d4fa4c949349842820236a14ba29db74fc4762d0e2b24ea56e3f60",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-04-09T18:26:32Z",
    "title_canon_sha256": "04367a76955f5acb63a4ec1f52349114b50687c86e7e7d61022ed502a05d8574"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.02414",
    "kind": "arxiv",
    "version": 2
  }
}