Pith Number

pith:NVZUNFML

pith:2011:NVZUNFML5N72IXKUHZFKQFMAXS

not attested not anchored not stored refs pending

Generic Pseudogroups on (C,0) and the Topology of Leaves

Helena Reis, Jean-Fran\c{c}ois Mattei, Julio C. Rebelo

arxiv:1111.2364 v1 · 2011-11-09 · math.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NVZUNFML5N72IXKUHZFKQFMAXS}

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	2026-05-18T04:08:34.349949Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6d7346958beb7fa45d543e4aa81580bcb3de9136581c1fce4679b6d5b97b2e72

Aliases

arxiv: 1111.2364 · arxiv_version: 1111.2364v1 · doi: 10.48550/arxiv.1111.2364 · pith_short_12: NVZUNFML5N72 · pith_short_16: NVZUNFML5N72IXKU · pith_short_8: NVZUNFML

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/NVZUNFML5N72IXKUHZFKQFMAXS \
  | 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: 6d7346958beb7fa45d543e4aa81580bcb3de9136581c1fce4679b6d5b97b2e72

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9360bc210de3eb380e22e88f771a37fb790f2f07ebce576ba173c5a739d3659b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.DS",
    "submitted_at": "2011-11-09T23:27:20Z",
    "title_canon_sha256": "6f89f81584763b1d11bd30ec22a09d6af828d8366044c0d8969a836b5350cf85"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.2364",
    "kind": "arxiv",
    "version": 1
  }
}