Pith Number

pith:KHXH7GW2

pith:2018:KHXH7GW2SBIP64ZKTKY5BGCGJF

not attested not anchored not stored refs pending

Archimedean toroidal maps and their minimal almost regular covers

Kostiantyn Drach, Maksym Skoryk, Mark Mixer, Yurii Haidamaka

arxiv:1810.01386 v1 · 2018-10-02 · math.GR · 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{KHXH7GW2SBIP64ZKTKY5BGCGJF}

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	2026-05-18T00:04:18.086912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

51ee7f9ada9050ff732a9ab1d09846494ab0b24a5a8c404eb6eea50af40f24e5

Aliases

arxiv: 1810.01386 · arxiv_version: 1810.01386v1 · doi: 10.48550/arxiv.1810.01386 · pith_short_12: KHXH7GW2SBIP · pith_short_16: KHXH7GW2SBIP64ZK · pith_short_8: KHXH7GW2

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/KHXH7GW2SBIP64ZKTKY5BGCGJF \
  | 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: 51ee7f9ada9050ff732a9ab1d09846494ab0b24a5a8c404eb6eea50af40f24e5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "375d89c7c2e804c4e0b5f22a39ae7cd2b55d3895576c37c3eefe92401f9d823e",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2018-10-02T17:29:42Z",
    "title_canon_sha256": "a26bdd94246cee716c512198acbd9944f0a52b29f5288205bff19332ab21a23b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.01386",
    "kind": "arxiv",
    "version": 1
  }
}