pith. sign in
Pith Number

pith:UWYSHCH6

pith:2019:UWYSHCH62JIIMSUZCKDVJIOSV7
not attested not anchored not stored refs pending

Planar Posets that are Accessible from Below Have Dimension at Most 6

Bart{\l}omiej Bosek, Csaba Bir\'o, Heather C. Smith, Ruidong Wang, Stephen J. Young, William T. Trotter

arxiv:1906.08145 v1 · 2019-06-19 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{UWYSHCH62JIIMSUZCKDVJIOSV7}

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 2026-05-17T23:42:54.500459Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

a5b12388fed250864a99128754a1d2afd48031c8b47235be8fcdaa553d3e269f

Aliases

arxiv: 1906.08145 · arxiv_version: 1906.08145v1 · doi: 10.48550/arxiv.1906.08145 · pith_short_12: UWYSHCH62JII · pith_short_16: UWYSHCH62JIIMSUZ · pith_short_8: UWYSHCH6
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/UWYSHCH62JIIMSUZCKDVJIOSV7 \
  | 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: a5b12388fed250864a99128754a1d2afd48031c8b47235be8fcdaa553d3e269f
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e6d2b7667f3bb6accf6a7f6c5eb17367989fb97c7b27a2fab14ca70872510d6e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2019-06-19T15:19:16Z",
    "title_canon_sha256": "77f6aeb584f0f283e3cecbdf8db9d7b75b114a9840a6f47cb15174ec7291a46a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.08145",
    "kind": "arxiv",
    "version": 1
  }
}