Pith Number

pith:642HCFI6

pith:2025:642HCFI6ZJ6ZI72ZK4CSNCW3YB

not attested not anchored not stored refs pending

A remark on the $t$-intersecting Erd\H{o}s-Ko-Rado theorem

William Linz

arxiv:2507.11285 v1 · 2025-07-15 · 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{642HCFI6ZJ6ZI72ZK4CSNCW3YB}

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	2026-07-05T11:37:36.123373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f73471151eca7d947f595705268adbc061528046169fd39d0046e50ba0c12230

Aliases

arxiv: 2507.11285 · arxiv_version: 2507.11285v1 · doi: 10.48550/arxiv.2507.11285 · pith_short_12: 642HCFI6ZJ6Z · pith_short_16: 642HCFI6ZJ6ZI72Z · pith_short_8: 642HCFI6

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/642HCFI6ZJ6ZI72ZK4CSNCW3YB \
  | 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: f73471151eca7d947f595705268adbc061528046169fd39d0046e50ba0c12230

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec9655afacd239969c611241f79a0486dbc7f8328b72025cf3c9bd1f7cc734c6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2025-07-15T13:07:03Z",
    "title_canon_sha256": "18c89beaae376ae12d36d539b84a3471aa0c4350d82404531968b3b19fefe579"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.11285",
    "kind": "arxiv",
    "version": 1
  }
}