Pith Number

pith:SLCYWUZX

pith:2018:SLCYWUZX325LUTDNRYUYP2RCTE

not attested not anchored not stored refs pending

Multi-part cross-intersecting families

Gennian Ge, Xiangliang Kong, Yuanxiao Xi

arxiv:1809.08756 v2 · 2018-09-24 · math.CO

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

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	2026-05-17T23:39:27.076334Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

92c58b5337debaba4c6d8e2987ea229904227f6dfa72b72102e2632c98222b63

Aliases

arxiv: 1809.08756 · arxiv_version: 1809.08756v2 · doi: 10.48550/arxiv.1809.08756 · pith_short_12: SLCYWUZX325L · pith_short_16: SLCYWUZX325LUTDN · pith_short_8: SLCYWUZX

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/SLCYWUZX325LUTDNRYUYP2RCTE \
  | 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: 92c58b5337debaba4c6d8e2987ea229904227f6dfa72b72102e2632c98222b63

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d718ff5eacbaa4b2fcc9e1ffe120ab7a6cc1deb7c006c817bdedf7c235cfe4a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-09-24T04:53:00Z",
    "title_canon_sha256": "4cd0b5017bf9244a523670973a49e8b1a6481953e7ccecdf946f77494c2772c3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1809.08756",
    "kind": "arxiv",
    "version": 2
  }
}