Pith Number

pith:FHFUIIHJ

pith:2017:FHFUIIHJG2VC4U4LS6PFIOIEBO

not attested not anchored not stored refs pending

Enumeration of Unsensed Orientable Maps on Surfaces of a Given Genus

Alexander Omelchenko, Evgeniy Krasko

arxiv:1712.10139 v2 · 2017-12-29 · 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{FHFUIIHJG2VC4U4LS6PFIOIEBO}

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	2026-05-17T23:55:59.682563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

29cb4420e936aa2e538b979e5439040bbdf81574dca2b2e86024f8055a7716ec

Aliases

arxiv: 1712.10139 · arxiv_version: 1712.10139v2 · doi: 10.48550/arxiv.1712.10139 · pith_short_12: FHFUIIHJG2VC · pith_short_16: FHFUIIHJG2VC4U4L · pith_short_8: FHFUIIHJ

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/FHFUIIHJG2VC4U4LS6PFIOIEBO \
  | 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: 29cb4420e936aa2e538b979e5439040bbdf81574dca2b2e86024f8055a7716ec

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "22d1e23819e991c8e32e522eb0d0d235800ed8f294ae815246404e2f5dfe9f0e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-12-29T07:59:14Z",
    "title_canon_sha256": "889e6cc36f1df1c63c8b03d1868df186c70b04fb9c9abc1509a599bc3dcbe13a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.10139",
    "kind": "arxiv",
    "version": 2
  }
}