Pith Number

pith:N6YIY5OT

pith:2018:N6YIY5OTVG4UOXAEZ3NARDEBB3

not attested not anchored not stored refs pending

A singular Darboux type theorem and non-integrable projective distributions of degree one

Maur\'icio Corr\^ea, Vin\'icius Soares dos Reis

arxiv:1804.01140 v2 · 2018-04-03 · math.AG · math.CV · 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{N6YIY5OTVG4UOXAEZ3NARDEBB3}

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	2026-05-18T00:07:17.800583Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6fb08c75d3a9b9475c04ceda088c810eceae5a34d94c399fe60f54ec768b704f

Aliases

arxiv: 1804.01140 · arxiv_version: 1804.01140v2 · doi: 10.48550/arxiv.1804.01140 · pith_short_12: N6YIY5OTVG4U · pith_short_16: N6YIY5OTVG4UOXAE · pith_short_8: N6YIY5OT

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/N6YIY5OTVG4UOXAEZ3NARDEBB3 \
  | 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: 6fb08c75d3a9b9475c04ceda088c810eceae5a34d94c399fe60f54ec768b704f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c74f916eeeab6939f68235958f1952a80c0085d332f8082e1f958dc170f41495",
    "cross_cats_sorted": [
      "math.CV",
      "math.DG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2018-04-03T19:38:11Z",
    "title_canon_sha256": "cdf3ea5da539e06c88ab731e31b779e3de28de6beaf2c744c1722b3db4380cff"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01140",
    "kind": "arxiv",
    "version": 2
  }
}