Pith Number

pith:XE6LAD4T

pith:2012:XE6LAD4TI5ICMJY22WSLUUZYFQ

not attested not anchored not stored refs pending

The method of double chains for largest families with excluded subposets

D\'aniel T. Nagy, P\'eter Burcsi

arxiv:1204.5355 v1 · 2012-04-24 · 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{XE6LAD4TI5ICMJY22WSLUUZYFQ}

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	2026-05-18T03:57:13.451266Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b93cb00f93475026271ad5a4ba53382c31a8a7814a72760d59e8d0ed0c5d838d

Aliases

arxiv: 1204.5355 · arxiv_version: 1204.5355v1 · doi: 10.48550/arxiv.1204.5355 · pith_short_12: XE6LAD4TI5IC · pith_short_16: XE6LAD4TI5ICMJY2 · pith_short_8: XE6LAD4T

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/XE6LAD4TI5ICMJY22WSLUUZYFQ \
  | 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: b93cb00f93475026271ad5a4ba53382c31a8a7814a72760d59e8d0ed0c5d838d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "085553caf19f95aada23d676c43188d3ad9ec73d0a4ebf1087eac1355abe0765",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2012-04-24T12:26:22Z",
    "title_canon_sha256": "54e8680b3d611c3d55dafc6b94771393dfee2d26e631afdd6be292a2924e8b41"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1204.5355",
    "kind": "arxiv",
    "version": 1
  }
}