Pith Number

pith:VEITQ2AQ

pith:2011:VEITQ2AQOMCBEIHZ6RNOLYNCHP

not attested not anchored not stored refs pending

An Erd\H{o}s-Ko-Rado theorem for multisets

Alison Purdy, Karen Meagher

arxiv:1111.4493 v1 · 2011-11-18 · 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{VEITQ2AQOMCBEIHZ6RNOLYNCHP}

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	2026-05-18T04:07:53.681627Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a91138681073041220f9f45ae5e1a23bc784a933961b4ebd471eb15f30bf1c6c

Aliases

arxiv: 1111.4493 · arxiv_version: 1111.4493v1 · doi: 10.48550/arxiv.1111.4493 · pith_short_12: VEITQ2AQOMCB · pith_short_16: VEITQ2AQOMCBEIHZ · pith_short_8: VEITQ2AQ

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/VEITQ2AQOMCBEIHZ6RNOLYNCHP \
  | 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: a91138681073041220f9f45ae5e1a23bc784a933961b4ebd471eb15f30bf1c6c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a3ff88b2f94c8ba5dc5fea3349305510705018187607b0d760a81827d5dce56b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-11-18T21:27:32Z",
    "title_canon_sha256": "59f977e74e0ec9f91070fdb7c7510e16e182b019a684b400c667628d43e72f37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.4493",
    "kind": "arxiv",
    "version": 1
  }
}