Pith Number

pith:UT7UJ2TD

pith:2016:UT7UJ2TDJX7LPVOHV5WLJP2ECH

not attested not anchored not stored refs pending

Dominating sets in projective planes

Tam\'as H\'eger, Zolt\'an L\'or\'ant Nagy

arxiv:1603.02933 v1 · 2016-03-09 · 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{UT7UJ2TDJX7LPVOHV5WLJP2ECH}

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	2026-05-18T00:54:52.853914Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a4ff44ea634dfeb7d5c7af6cb4bf4411e82d77e2bbc0e951553a03a0475d4a9f

Aliases

arxiv: 1603.02933 · arxiv_version: 1603.02933v1 · doi: 10.48550/arxiv.1603.02933 · pith_short_12: UT7UJ2TDJX7L · pith_short_16: UT7UJ2TDJX7LPVOH · pith_short_8: UT7UJ2TD

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/UT7UJ2TDJX7LPVOHV5WLJP2ECH \
  | 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: a4ff44ea634dfeb7d5c7af6cb4bf4411e82d77e2bbc0e951553a03a0475d4a9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "31388d575ceaa2c2b2301ac244f0c80f18c4f9b8825fa4d600b25820d032e320",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-03-09T16:01:35Z",
    "title_canon_sha256": "b3d973385a562fa72cf46cfcec329fad4fae4c70a9aa9c58b0713ed6eb471802"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.02933",
    "kind": "arxiv",
    "version": 1
  }
}