Pith Number

pith:CF4EU6NF

pith:2019:CF4EU6NF7O6VXCOUQLI47IBVCR

not attested not anchored not stored refs pending

Quasi-vertex-transitive Maps on the Plane

Arun Maiti

arxiv:1909.09042 v4 · 2019-09-19 · math.GT · 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{CF4EU6NF7O6VXCOUQLI47IBVCR}

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	2026-07-05T00:50:25.596786Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

11784a79a5fbbd5b89d482d1cfa0351475758cf6e8b4165d9c3826eee590ed33

Aliases

arxiv: 1909.09042 · arxiv_version: 1909.09042v4 · doi: 10.48550/arxiv.1909.09042 · pith_short_12: CF4EU6NF7O6V · pith_short_16: CF4EU6NF7O6VXCOU · pith_short_8: CF4EU6NF

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/CF4EU6NF7O6VXCOUQLI47IBVCR \
  | 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: 11784a79a5fbbd5b89d482d1cfa0351475758cf6e8b4165d9c3826eee590ed33

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "279e0fcef20f7f3bb565564acedeccd55aa9331f15a93cc789d4239f1ffc4de9",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-09-19T15:16:38Z",
    "title_canon_sha256": "835735a28f1bcccda252ec44a13c37dfad8dd812e52ba889b421e41983d11c33"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.09042",
    "kind": "arxiv",
    "version": 4
  }
}