Pith Number

pith:NRDWSNAQ

pith:2016:NRDWSNAQJX5V5HSR5D5ATBSGXP

not attested not anchored not stored refs pending

A rainbow $r$-partite version of the Erd\H{o}s-Ko-Rado theorem

David Howard, Ron Aharoni

arxiv:1605.06752 v1 · 2016-05-22 · 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{NRDWSNAQJX5V5HSR5D5ATBSGXP}

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	2026-05-18T01:14:11.348356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6c476934104dfb5e9e51e8fa098646bbe387533404161d269dfca44e39516bf9

Aliases

arxiv: 1605.06752 · arxiv_version: 1605.06752v1 · doi: 10.48550/arxiv.1605.06752 · pith_short_12: NRDWSNAQJX5V · pith_short_16: NRDWSNAQJX5V5HSR · pith_short_8: NRDWSNAQ

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/NRDWSNAQJX5V5HSR5D5ATBSGXP \
  | 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: 6c476934104dfb5e9e51e8fa098646bbe387533404161d269dfca44e39516bf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2a2578d21f2719ce12c228c762a1abdde1cbf402f0192e251b22d4e3777cc0d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2016-05-22T08:03:07Z",
    "title_canon_sha256": "f6e3f6889cc336294edbdc86352a57698ae6e1c7eb13abd190fc90a0a161e503"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1605.06752",
    "kind": "arxiv",
    "version": 1
  }
}