Pith Number

pith:CWKBWBGN

pith:2018:CWKBWBGNYC2UVK4W6VEZ6S2NP2

not attested not anchored not stored refs pending

Geometry of Lagrangian Grassmannians and nonlinear PDEs

Gianni Manno, Giovanni Moreno, Jan Gutt

arxiv:1805.04294 v3 · 2018-05-11 · math.DG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{CWKBWBGNYC2UVK4W6VEZ6S2NP2}

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	2026-05-17T23:52:53.105122Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

15941b04cdc0b54aab96f5499f4b4d7ea537060ac964f8c760e2889942ac76a3

Aliases

arxiv: 1805.04294 · arxiv_version: 1805.04294v3 · doi: 10.48550/arxiv.1805.04294 · pith_short_12: CWKBWBGNYC2U · pith_short_16: CWKBWBGNYC2UVK4W · pith_short_8: CWKBWBGN

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/CWKBWBGNYC2UVK4W6VEZ6S2NP2 \
  | 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: 15941b04cdc0b54aab96f5499f4b4d7ea537060ac964f8c760e2889942ac76a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "30ba61968cf36ba433018218cc4067de035a597c3da9b398d3d378dacde97602",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DG",
    "submitted_at": "2018-05-11T09:42:58Z",
    "title_canon_sha256": "38d1aba5d3837937fd2fe2eb97c601b8619b7c44317b90bddbc270c38b91ba4c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.04294",
    "kind": "arxiv",
    "version": 3
  }
}