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Pith Number

pith:SR7SNKBF

pith:2015:SR7SNKBFYDEKSRTE6WHIC7KTU4
not attested not anchored not stored refs pending

A class of cyclic $(v;k_1,k_2,k_3;\lambda)$ difference families with $v \equiv 3 \pmod{4}$ a prime

Dragomir Z. Djokovic, Ilias S. Kotsireas

arxiv:1511.08734 v2 · 2015-11-27 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{SR7SNKBFYDEKSRTE6WHIC7KTU4}

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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 2026-05-18T00:33:07.345309Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

947f26a825c0c8a94664f58e817d53a727e048c6e537239bfb6fa60c56057579

Aliases

arxiv: 1511.08734 · arxiv_version: 1511.08734v2 · doi: 10.48550/arxiv.1511.08734 · pith_short_12: SR7SNKBFYDEK · pith_short_16: SR7SNKBFYDEKSRTE · pith_short_8: SR7SNKBF
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/SR7SNKBFYDEKSRTE6WHIC7KTU4 \
  | 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: 947f26a825c0c8a94664f58e817d53a727e048c6e537239bfb6fa60c56057579
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "0458b6b256b1ab8a297b0a1314c95660f443e646960f5947157074023194b3ab",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2015-11-27T16:36:25Z",
    "title_canon_sha256": "99fd5fb05fa6bebe2b2a1c6cab03af742093ea09a1554fa8ff4cdb292de9d95f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1511.08734",
    "kind": "arxiv",
    "version": 2
  }
}