Pith Number

pith:JYFC5WDZ

pith:2019:JYFC5WDZR2QWHRRIUMQ3NCYFZR

not attested not anchored not stored refs pending

Non-trivial intersecting families for finite affine spaces

Benjian Lv, Chao Gong, Kaishun Wang

arxiv:1901.05759 v2 · 2019-01-17 · 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{JYFC5WDZR2QWHRRIUMQ3NCYFZR}

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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

1 paper in Pith

Structure of $t$-Intersecting Families of Vector Spaces

Receipt and verification

First computed	2026-07-05T00:57:48.780208Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4e0a2ed8798ea163c628a321b68b05cc5e6e36a32f351def4550599d86eae42c

Aliases

arxiv: 1901.05759 · arxiv_version: 1901.05759v2 · doi: 10.48550/arxiv.1901.05759 · pith_short_12: JYFC5WDZR2QW · pith_short_16: JYFC5WDZR2QWHRRI · pith_short_8: JYFC5WDZ

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/JYFC5WDZR2QWHRRIUMQ3NCYFZR \
  | 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: 4e0a2ed8798ea163c628a321b68b05cc5e6e36a32f351def4550599d86eae42c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e58ca863aefe240d78f3938c400b824a32d675f730568bfbb0b58086b25ef78b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-01-17T12:31:28Z",
    "title_canon_sha256": "0d1dbf2106d35baaaf09f1ae75be1e0129afec6103cbdeb19b61b5cbb0609011"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.05759",
    "kind": "arxiv",
    "version": 2
  }
}