Pith Number

pith:G6EWFI5X

pith:2018:G6EWFI5XPM7UOIOIVWG4VWVMDV

not attested not anchored not stored refs pending

Modular Gaussian curvature

Henri Moscovici, Matthias Lesch

arxiv:1810.10394 v1 · 2018-10-24 · math.QA · math.DG · math.OA

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{G6EWFI5XPM7UOIOIVWG4VWVMDV}

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	2026-05-18T00:02:23.253645Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

378962a3b77b3f4721c8ad8dcadaac1d5ff918b897fe8d1740851ded61d93c50

Aliases

arxiv: 1810.10394 · arxiv_version: 1810.10394v1 · doi: 10.48550/arxiv.1810.10394 · pith_short_12: G6EWFI5XPM7U · pith_short_16: G6EWFI5XPM7UOIOI · pith_short_8: G6EWFI5X

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/G6EWFI5XPM7UOIOIVWG4VWVMDV \
  | 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: 378962a3b77b3f4721c8ad8dcadaac1d5ff918b897fe8d1740851ded61d93c50

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5eb5bf0c7c7116cec0ccdcf062af47f57119ae41e1bc397b015c65fbd6ffaa0e",
    "cross_cats_sorted": [
      "math.DG",
      "math.OA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.QA",
    "submitted_at": "2018-10-24T13:41:53Z",
    "title_canon_sha256": "73995543554b4dd1a66fd47004d4e4cef51184337c7f696c19249e5308223730"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10394",
    "kind": "arxiv",
    "version": 1
  }
}