Pith Number

pith:RSKJIHNO

pith:2018:RSKJIHNOQKWYWUI7UEZ4EJTFK3

not attested not anchored not stored refs pending

Uniform sets in a family with restricted intersections

Binlong Li, Jiuqiang Liu, Shenggui Zhang, Yandong Bai

arxiv:1811.11533 v1 · 2018-11-28 · 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{RSKJIHNOQKWYWUI7UEZ4EJTFK3}

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	2026-05-17T23:59:40.815662Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8c94941dae82ad8b511fa133c2266556c959588b468bd5c0f179b19cab3ef973

Aliases

arxiv: 1811.11533 · arxiv_version: 1811.11533v1 · doi: 10.48550/arxiv.1811.11533 · pith_short_12: RSKJIHNOQKWY · pith_short_16: RSKJIHNOQKWYWUI7 · pith_short_8: RSKJIHNO

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/RSKJIHNOQKWYWUI7UEZ4EJTFK3 \
  | 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: 8c94941dae82ad8b511fa133c2266556c959588b468bd5c0f179b19cab3ef973

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9a9d5c523e341d507fc12cbfdd2411b20845466ed944b638d6ea33f7a41ded35",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2018-11-28T13:15:22Z",
    "title_canon_sha256": "905384ca9a8c58c6dec63d6f527e299fe83fd016807189cad5e8e7dd3b7c06d0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11533",
    "kind": "arxiv",
    "version": 1
  }
}