Pith Number

pith:65Q37H2W

pith:2018:65Q37H2WJF3A2PMW7H2GDYL423

not attested not anchored not stored refs pending

The domination number of plane triangulations

Simon Spacapan

arxiv:1806.06932 v1 · 2018-06-18 · 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{65Q37H2WJF3A2PMW7H2GDYL423}

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	2026-05-18T00:12:58.021474Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f761bf9f5649760d3d96f9f461e17cd6cc28f5c728eec9c9f0af763deb533c96

Aliases

arxiv: 1806.06932 · arxiv_version: 1806.06932v1 · doi: 10.48550/arxiv.1806.06932 · pith_short_12: 65Q37H2WJF3A · pith_short_16: 65Q37H2WJF3A2PMW · pith_short_8: 65Q37H2W

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/65Q37H2WJF3A2PMW7H2GDYL423 \
  | 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: f761bf9f5649760d3d96f9f461e17cd6cc28f5c728eec9c9f0af763deb533c96

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc9c3159dad0457b652bcb61b4f1b141026bcb027f339456aa464f2539dc53c5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-06-18T20:44:10Z",
    "title_canon_sha256": "456e72bbf9ecce18d11f5908ba3f1518e476849efb382b9ae9bbc44460e72215"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.06932",
    "kind": "arxiv",
    "version": 1
  }
}