Pith Number

pith:ECYH3Z6K

pith:1997:ECYH3Z6KZ6DQDUIDPKJU3F6WAK

not attested not anchored not stored refs pending

Automorphism groups with cyclic commutator subgroup and Hamilton cycles

Dave Witte, Edward Dobson, Heather Gavlas, Joy Morris

arxiv:math/9702226 v1 · 1997-02-04 · math.CO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{ECYH3Z6KZ6DQDUIDPKJU3F6WAK}

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	2026-05-18T01:05:37.111705Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

20b07de7cacf8701d1037a934d97d602b7ccbc56cfd06cd2a0bf51c1729cd6b0

Aliases

arxiv: math/9702226 · arxiv_version: math/9702226v1 · doi: 10.48550/arxiv.math/9702226 · pith_short_12: ECYH3Z6KZ6DQ · pith_short_16: ECYH3Z6KZ6DQDUID · pith_short_8: ECYH3Z6K

Agent API

Resolver JSON Graph JSON Events JSON Schema Signing key

Verify this Pith Number yourself

curl -sH 'Accept: application/ld+json' https://pith.science/pith/ECYH3Z6KZ6DQDUIDPKJU3F6WAK \
  | 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: 20b07de7cacf8701d1037a934d97d602b7ccbc56cfd06cd2a0bf51c1729cd6b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcb65ea141a6027c2d61cffe3d60155332398a0d98a7b61f55d28df48c83c7ec",
    "cross_cats_sorted": [],
    "license": "",
    "primary_cat": "math.CO",
    "submitted_at": "1997-02-04T00:00:00Z",
    "title_canon_sha256": "41f687978fb7742270b7a15705f8ed063af173047ddb9d4aba32a1eb5403faac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "math/9702226",
    "kind": "arxiv",
    "version": 1
  }
}