Pith Number

pith:LGS5EB62

pith:2018:LGS5EB62LULGT7OZDV5SCHINFX

not attested not anchored not stored refs pending

Complete Intersections of Quadrics and the Weak Lefschetz Property

Alberto Alzati, Riccardo Re

arxiv:1802.06253 v2 · 2018-02-17 · math.AC · 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{LGS5EB62LULGT7OZDV5SCHINFX}

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	2026-05-18T00:18:09.091304Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

59a5d207da5d1669fdd91d7b211d0d2df215999fdbf4e15958f0b46e4ff989a6

Aliases

arxiv: 1802.06253 · arxiv_version: 1802.06253v2 · doi: 10.48550/arxiv.1802.06253 · pith_short_12: LGS5EB62LULG · pith_short_16: LGS5EB62LULGT7OZ · pith_short_8: LGS5EB62

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/LGS5EB62LULGT7OZDV5SCHINFX \
  | 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: 59a5d207da5d1669fdd91d7b211d0d2df215999fdbf4e15958f0b46e4ff989a6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3991acb756e68f5726a6cf7d55067626c17ad5bd1db087646caafa1c75322a7",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AC",
    "submitted_at": "2018-02-17T15:50:34Z",
    "title_canon_sha256": "9cb830404587af095034767a3dd470b98233ba5cfde407ccf500a01a6727f8ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06253",
    "kind": "arxiv",
    "version": 2
  }
}