Pith Number

pith:KOTTD6SM

pith:2020:KOTTD6SMSQMJFAHTW57UQDD2WR

not attested not anchored not stored refs pending

Number of Triangulations of a M\"obius Strip

Bazier-Matte V\'eronique, Huang Ruiyan, Luo Hanyi

arxiv:2009.05785 v1 · 2020-09-12 · 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{KOTTD6SMSQMJFAHTW57UQDD2WR}

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	2026-07-05T07:10:16.869642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

53a731fa4c94189280f3b77f480c7ab44495fc31e0e997b6b61bfc0ebd974647

Aliases

arxiv: 2009.05785 · arxiv_version: 2009.05785v1 · doi: 10.48550/arxiv.2009.05785 · pith_short_12: KOTTD6SMSQMJ · pith_short_16: KOTTD6SMSQMJFAHT · pith_short_8: KOTTD6SM

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/KOTTD6SMSQMJFAHTW57UQDD2WR \
  | 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: 53a731fa4c94189280f3b77f480c7ab44495fc31e0e997b6b61bfc0ebd974647

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6fb0cff928a7bd52311800247be123c0141dce9b743dd452f44d294fb2f4141",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-09-12T13:15:33Z",
    "title_canon_sha256": "b38a1e57c0c04ca6fb7347e1393b322f1aceec08b007bcd3b66c723630ccc873"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2009.05785",
    "kind": "arxiv",
    "version": 1
  }
}