Pith Number

pith:LJHXCU3X

pith:2020:LJHXCU3X6CFVPU7F6LFEAH6Z7I

not attested not anchored not stored refs pending

Non-trivial $t$-intersecting families for symplectic polar spaces

Benjian Lv, Kaishun Wang, Tian Yao

arxiv:2010.05030 v1 · 2020-10-10 · 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{LJHXCU3X6CFVPU7F6LFEAH6Z7I}

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	2026-07-05T01:42:02.132646Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a4f715377f08b57d3e5f2ca401fd9fa127fe29bac147a1a2b92ab695d191830

Aliases

arxiv: 2010.05030 · arxiv_version: 2010.05030v1 · doi: 10.48550/arxiv.2010.05030 · pith_short_12: LJHXCU3X6CFV · pith_short_16: LJHXCU3X6CFVPU7F · pith_short_8: LJHXCU3X

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/LJHXCU3X6CFVPU7F6LFEAH6Z7I \
  | 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: 5a4f715377f08b57d3e5f2ca401fd9fa127fe29bac147a1a2b92ab695d191830

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7e732a094b915ef016b2064fb81b715ad0104f0e486778d9b12efa37973265ff",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-10-10T15:23:58Z",
    "title_canon_sha256": "afc0bf686372156fa79b7d75b33c503a23d71738606ac298a6930efe90f1021e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2010.05030",
    "kind": "arxiv",
    "version": 1
  }
}