Pith Number

pith:RCTPMBPS

pith:2014:RCTPMBPS4BXYLUBVMHM6PT7EU7

not attested not anchored not stored refs pending

Union-intersecting set systems

D\'aniel T. Nagy, Gyula O. H. Katona

arxiv:1403.0088 v1 · 2014-03-01 · 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{RCTPMBPS4BXYLUBVMHM6PT7EU7}

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	2026-05-18T02:57:25.793479Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88a6f605f2e06f85d03561d9e7cfe4a7e58f8a506cc3323ab243658284f18f64

Aliases

arxiv: 1403.0088 · arxiv_version: 1403.0088v1 · doi: 10.48550/arxiv.1403.0088 · pith_short_12: RCTPMBPS4BXY · pith_short_16: RCTPMBPS4BXYLUBV · pith_short_8: RCTPMBPS

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/RCTPMBPS4BXYLUBVMHM6PT7EU7 \
  | 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: 88a6f605f2e06f85d03561d9e7cfe4a7e58f8a506cc3323ab243658284f18f64

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "73361c25561871d9d59b49b7cc2296afc006983f4eff2461bbfeae44f856c39c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-03-01T14:39:05Z",
    "title_canon_sha256": "2d61be40bb5a73e365d4bce011115c3772af34024a64594ac1b9be0d28805415"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.0088",
    "kind": "arxiv",
    "version": 1
  }
}