Pith. sign in
Pith Number

pith:KVT53FVJ

pith:2021:KVT53FVJ4DORVCNW6UFHLOIWBE
not attested not anchored not stored refs pending

Naruse hook formula for linear extensions of mobile posets

GaYee Park

arxiv:2104.11166 v3 · 2021-04-22 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{KVT53FVJ4DORVCNW6UFHLOIWBE}

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 2026-07-05T02:37:58.744347Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

5567dd96a9e0dd1a89b6f50a75b91609302146f8578331ca2f37819fbdab3f16

Aliases

arxiv: 2104.11166 · arxiv_version: 2104.11166v3 · doi: 10.48550/arxiv.2104.11166 · pith_short_12: KVT53FVJ4DOR · pith_short_16: KVT53FVJ4DORVCNW · pith_short_8: KVT53FVJ
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/KVT53FVJ4DORVCNW6UFHLOIWBE \
  | 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: 5567dd96a9e0dd1a89b6f50a75b91609302146f8578331ca2f37819fbdab3f16
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "25cd9d6687629c542304eeccf6db8fb32ed9e03c63667049e504be60ef0ba04d",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2021-04-22T16:36:07Z",
    "title_canon_sha256": "3cd8d2454a00bf0726d39ecdef7e444c0d9024b7c9f891acd5e3362262496b30"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.11166",
    "kind": "arxiv",
    "version": 3
  }
}