Pith Number

pith:KIMZOKRI

pith:2025:KIMZOKRIGIAQNA5KRSWOCJLPZL

not attested not anchored not stored refs pending

A semidefinite programming approach to cross $2$-intersecting families

Hajime Tanaka, Norihide Tokushige

arxiv:2503.14844 v1 · 2025-03-19 · math.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KIMZOKRIGIAQNA5KRSWOCJLPZL}

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.

Cited by

2 papers in Pith

On $\ell$-weakly cross $t$-intersecting families for sets and vector spaces

On extremal cross $t$-intersecting families with $t$-covering number conditions

Receipt and verification

First computed	2026-07-05T10:34:25.737592Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5219972a2832010683aa8cace1256fcafce8993c92ba18b7c045033c9ae0da66

Aliases

arxiv: 2503.14844 · arxiv_version: 2503.14844v1 · doi: 10.48550/arxiv.2503.14844 · pith_short_12: KIMZOKRIGIAQ · pith_short_16: KIMZOKRIGIAQNA5K · pith_short_8: KIMZOKRI

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/KIMZOKRIGIAQNA5KRSWOCJLPZL \
  | 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: 5219972a2832010683aa8cace1256fcafce8993c92ba18b7c045033c9ae0da66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b41992ef2c58e6abb7efc54b29d10a15a2d1fe650f8b4a1524c3f432ccc2b87d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-03-19T02:58:50Z",
    "title_canon_sha256": "0ffe733e6c1b38e2aa67d18a32d007ff73753db86d95d5a463127c2b2eb9a4df"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2503.14844",
    "kind": "arxiv",
    "version": 1
  }
}