Pith. sign in
Pith Number

pith:7O6ENW27

pith:2020:7O6ENW27X5WWU7JEB3EWE3NSQB
not attested not anchored not stored refs pending

Applying Skolem Sequences to Gracefully Label New Families of Triangular Windmills

Ahmad H. Alkasasbeh, Danny Dyer, Nabil Shalaby

arxiv:2006.16396 v2 · 2020-06-29 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{7O6ENW27X5WWU7JEB3EWE3NSQB}

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 2026-07-05T03:04:01.371523Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

fbbc46db5fbf6d6a7d240ec9626db2805d4606fdbdb9af66e9417c5488b567a0

Aliases

arxiv: 2006.16396 · arxiv_version: 2006.16396v2 · doi: 10.48550/arxiv.2006.16396 · pith_short_12: 7O6ENW27X5WW · pith_short_16: 7O6ENW27X5WWU7JE · pith_short_8: 7O6ENW27
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/7O6ENW27X5WWU7JEB3EWE3NSQB \
  | 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: fbbc46db5fbf6d6a7d240ec9626db2805d4606fdbdb9af66e9417c5488b567a0
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8f32ceffc1104785393f42d192b4bd6cb5465c0b93604a46ec95af7835a4cdb2",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2020-06-29T21:23:20Z",
    "title_canon_sha256": "604816d50220fef4ba9d5041325970c8bae6dce4defca0ace61d5968b526989d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2006.16396",
    "kind": "arxiv",
    "version": 2
  }
}