Pith Number

pith:HTHTEUMS

pith:2016:HTHTEUMSEYTK5JWM627TWCPI6B

not attested not anchored not stored refs pending

A small generating set for the twist subgroup of the mapping class group of a non-orientable surface by Dehn twists

Genki Omori

arxiv:1611.00465 v1 · 2016-11-02 · math.GT · math.GR

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HTHTEUMSEYTK5JWM627TWCPI6B}

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	2026-05-18T01:00:32.767390Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3ccf3251922626aea6ccf6bf3b09e8f06ecfb429fa74a3e013b685cac5251e83

Aliases

arxiv: 1611.00465 · arxiv_version: 1611.00465v1 · doi: 10.48550/arxiv.1611.00465 · pith_short_12: HTHTEUMSEYTK · pith_short_16: HTHTEUMSEYTK5JWM · pith_short_8: HTHTEUMS

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/HTHTEUMSEYTK5JWM627TWCPI6B \
  | 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: 3ccf3251922626aea6ccf6bf3b09e8f06ecfb429fa74a3e013b685cac5251e83

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f3895ce2bb2bd8a271fe170a14cd43ba3b0b66cd5bfaa35ce6ded7cc91dffe6b",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2016-11-02T04:18:24Z",
    "title_canon_sha256": "066525ce7b8747b6e44cc281ee809a1a46b9e7fe36c0b1fc8b523dd93c7396fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1611.00465",
    "kind": "arxiv",
    "version": 1
  }
}