Pith Number

pith:EIXKYZ5C

pith:2012:EIXKYZ5CQGPRPMOF2JTAM3GVN5

not attested not anchored not stored refs pending

L\^e's polyhedron for line singularities

Aur\'elio Menegon Neto

arxiv:1202.0985 v3 · 2012-02-05 · math.CV · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIXKYZ5CQGPRPMOF2JTAM3GVN5}

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	2026-05-18T02:32:39.295970Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

222eac67a2819f17b1c5d266066cd56f48a088f74c1c7e6668470e14379bd4d8

Aliases

arxiv: 1202.0985 · arxiv_version: 1202.0985v3 · doi: 10.48550/arxiv.1202.0985 · pith_short_12: EIXKYZ5CQGPR · pith_short_16: EIXKYZ5CQGPRPMOF · pith_short_8: EIXKYZ5C

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/EIXKYZ5CQGPRPMOF2JTAM3GVN5 \
  | 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: 222eac67a2819f17b1c5d266066cd56f48a088f74c1c7e6668470e14379bd4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ea0c40d029e0b0ebf286747cb306284c8d39d2d55cc69167b1684f922b5bf4c2",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CV",
    "submitted_at": "2012-02-05T17:56:57Z",
    "title_canon_sha256": "e035c70e1b47fdb8cd25c6d00f516a9bd4188fd27ee1099cdb11a5b29a5e3f2e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1202.0985",
    "kind": "arxiv",
    "version": 3
  }
}