Pith Number

pith:NC3WIUUY

pith:2017:NC3WIUUY4PCYFV5HIXVHJPPFJD

not attested not anchored not stored refs pending

The Doyen-Wilson theorem for 3-sun systems

Antoinette Tripodi, Giovanni Lo faro

arxiv:1705.00040 v1 · 2017-04-28 · 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{NC3WIUUY4PCYFV5HIXVHJPPFJD}

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	2026-05-18T00:45:21.635018Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68b7645298e3c582d7a745ea74bde548feffb7adef138638855617a39b4f85a0

Aliases

arxiv: 1705.00040 · arxiv_version: 1705.00040v1 · doi: 10.48550/arxiv.1705.00040 · pith_short_12: NC3WIUUY4PCY · pith_short_16: NC3WIUUY4PCYFV5H · pith_short_8: NC3WIUUY

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/NC3WIUUY4PCYFV5HIXVHJPPFJD \
  | 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: 68b7645298e3c582d7a745ea74bde548feffb7adef138638855617a39b4f85a0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "85d75b2373ea0541dfeba582d4346661618c4854dc467da49bc639aab7cb2f8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-04-28T19:07:52Z",
    "title_canon_sha256": "a820d316438dd298071850f2601d166a817c77719e7c1c80861fb2d122749e63"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.00040",
    "kind": "arxiv",
    "version": 1
  }
}