pith. sign in
Pith Number

pith:RGR3XXKK

pith:2017:RGR3XXKKL5TUZA5K4JKDRPWC3X
not attested not anchored not stored refs pending

Almost 2-perfect 8-cycle systems

Charles Curtis Lindner, Emine \c{S}ule Yaz{\i}c{\i}, Selda K\"u\c{c}\"uk\c{c}if\c{c}i, Sibel \"Ozkan

arxiv:1710.08265 v1 · 2017-10-23 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{RGR3XXKKL5TUZA5K4JKDRPWC3X}

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 2026-05-18T00:32:16.859137Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

89a3bbdd4a5f674c83aae25438bec2ddf2f1678df8077fd9a35c0b3dff5b4ee3

Aliases

arxiv: 1710.08265 · arxiv_version: 1710.08265v1 · doi: 10.48550/arxiv.1710.08265 · pith_short_12: RGR3XXKKL5TU · pith_short_16: RGR3XXKKL5TUZA5K · pith_short_8: RGR3XXKK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/RGR3XXKKL5TUZA5K4JKDRPWC3X \
  | 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: 89a3bbdd4a5f674c83aae25438bec2ddf2f1678df8077fd9a35c0b3dff5b4ee3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "2eab933d6c6f1d5e5f28d75292f0b4ebc6632f9fda77effe83b5ab79ae2962f5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2017-10-23T13:40:05Z",
    "title_canon_sha256": "a2f40f94a684931ee068a46151dcdfb21c6ea94db41eff7022e001388bb4ba94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1710.08265",
    "kind": "arxiv",
    "version": 1
  }
}