Pith Number

pith:QOUSUDVD

pith:2026:QOUSUDVD4W34UAVYBVJNRY6BJJ

not attested not anchored not stored refs pending

The number of Pfaffian orientations on punctured polygonally cellulated surfaces

Arundhati Rakshit, Pritam Chandra Pramanik, Sajal Mukherjee

arxiv:2605.23548 v1 · 2026-05-22 · 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{QOUSUDVD4W34UAVYBVJNRY6BJJ}

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	2026-05-25T02:02:00.399893Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83a92a0ea3e5b7ca02b80d52d8e3c14a6009f5b4561e1e37223d78f0809b5555

Aliases

arxiv: 2605.23548 · arxiv_version: 2605.23548v1 · doi: 10.48550/arxiv.2605.23548 · pith_short_12: QOUSUDVD4W34 · pith_short_16: QOUSUDVD4W34UAVY · pith_short_8: QOUSUDVD

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/QOUSUDVD4W34UAVYBVJNRY6BJJ \
  | 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: 83a92a0ea3e5b7ca02b80d52d8e3c14a6009f5b4561e1e37223d78f0809b5555

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "955252423179d90c610f27f60a997bde99c7249f3b02f0eb832d40f8b67f6de0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2026-05-22T12:14:34Z",
    "title_canon_sha256": "a20be2edc2423f85f999d7534cbab1d0e07734f393294a914d7c7b33a9ef16b3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.23548",
    "kind": "arxiv",
    "version": 1
  }
}