Pith Number

pith:FUGMOIL5

pith:2019:FUGMOIL5S62XUNU7CPMHBXP574

not attested not anchored not stored refs pending

Torsion normal generators of the mapping class group of a non-orientable surface

Marta Le\'sniak

arxiv:1903.10285 v1 · 2019-03-25 · math.GT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FUGMOIL5S62XUNU7CPMHBXP574}

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	2026-05-17T23:50:30.017909Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2d0cc7217d97b57a369f13d870ddfdff13fd94a0ea7faa6587ee5686549d9c7e

Aliases

arxiv: 1903.10285 · arxiv_version: 1903.10285v1 · doi: 10.48550/arxiv.1903.10285 · pith_short_12: FUGMOIL5S62X · pith_short_16: FUGMOIL5S62XUNU7 · pith_short_8: FUGMOIL5

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/FUGMOIL5S62XUNU7CPMHBXP574 \
  | 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: 2d0cc7217d97b57a369f13d870ddfdff13fd94a0ea7faa6587ee5686549d9c7e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74847efe8142dfa58074a5d2df58cf78f087dfa9da5bba1dd7362d7a1b8c8e8a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GT",
    "submitted_at": "2019-03-25T13:01:23Z",
    "title_canon_sha256": "026c3264833762a4791885b6f478ef2c60f218c69d35e9d5c08dd5f8fd8ad96c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1903.10285",
    "kind": "arxiv",
    "version": 1
  }
}