pith. sign in
Pith Number

pith:LPSJUNA3

pith:2014:LPSJUNA3SAGXJ2N5TQZRX4F4H3
not attested not anchored not stored refs pending

Set families with forbidden subposets

Kevin G. Milans, Linyuan Lu

arxiv:1408.0646 v1 · 2014-08-04 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{LPSJUNA3SAGXJ2N5TQZRX4F4H3}

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 2026-05-18T02:45:56.584158Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5be49a341b900d74e9bd9c331bf0bc3ef535eff636ad08a716d97318841dccf5

Aliases

arxiv: 1408.0646 · arxiv_version: 1408.0646v1 · doi: 10.48550/arxiv.1408.0646 · pith_short_12: LPSJUNA3SAGX · pith_short_16: LPSJUNA3SAGXJ2N5 · pith_short_8: LPSJUNA3
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/LPSJUNA3SAGXJ2N5TQZRX4F4H3 \
  | 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: 5be49a341b900d74e9bd9c331bf0bc3ef535eff636ad08a716d97318841dccf5
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b8c7c28ebc3d6fc4d407cc1a6d056d7f64235f8d8389a7663f3a157d2f782f49",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2014-08-04T11:22:25Z",
    "title_canon_sha256": "c96c8d68e2101cbeec031af65d2fd4c848d6b6a9bcf7954462c59dc3fb6c9d8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1408.0646",
    "kind": "arxiv",
    "version": 1
  }
}