Pith Number

pith:N3BO4UXP

pith:2011:N3BO4UXPHLTJ3NQ5NGGAQRDYKO

not attested not anchored not stored refs pending

Set families with a forbidden induced subposet

Edward Boehnlein, Tao Jiang

arxiv:1106.2315 v1 · 2011-06-12 · 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{N3BO4UXPHLTJ3NQ5NGGAQRDYKO}

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	2026-05-18T04:20:06.023750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ec2ee52ef3ae69db61d698c084478539be4ec8b1327e062fde0304a8d67f357

Aliases

arxiv: 1106.2315 · arxiv_version: 1106.2315v1 · doi: 10.48550/arxiv.1106.2315 · pith_short_12: N3BO4UXPHLTJ · pith_short_16: N3BO4UXPHLTJ3NQ5 · pith_short_8: N3BO4UXP

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/N3BO4UXPHLTJ3NQ5NGGAQRDYKO \
  | 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: 6ec2ee52ef3ae69db61d698c084478539be4ec8b1327e062fde0304a8d67f357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23b1b36000da94b42d5cecef52b8d2590bb86fd5f8efdae1335fc0afb33a686f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2011-06-12T14:48:37Z",
    "title_canon_sha256": "715df648c3f121da19f64bfb16abb8c42c39d693c162db106f376129f4c46892"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.2315",
    "kind": "arxiv",
    "version": 1
  }
}