pith. sign in
Pith Number

pith:J5YVOOOK

pith:2013:J5YVOOOKIL4I5GCSRXJIWT2BPQ
not attested not anchored not stored refs pending

Constructing Even Order Magic Squares By Consecutive Numbering

A. M. Ibrahim, A. Umar, H. M. Jibril

arxiv:1303.4536 v1 · 2013-03-19 · math.CO

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{J5YVOOOKIL4I5GCSRXJIWT2BPQ}

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 2026-05-18T03:30:26.879884Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

4f715739ca42f88e98528dd28b4f417c10bec765658fde48dc55e0a69a6531e4

Aliases

arxiv: 1303.4536 · arxiv_version: 1303.4536v1 · doi: 10.48550/arxiv.1303.4536 · pith_short_12: J5YVOOOKIL4I · pith_short_16: J5YVOOOKIL4I5GCS · pith_short_8: J5YVOOOK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/J5YVOOOKIL4I5GCSRXJIWT2BPQ \
  | 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: 4f715739ca42f88e98528dd28b4f417c10bec765658fde48dc55e0a69a6531e4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "bcf6f69d93cebb576c35d60221f6383b4264f4479811e3858a799dea697de180",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.CO",
    "submitted_at": "2013-03-19T10:16:28Z",
    "title_canon_sha256": "22c31092d7c2c50e56ed45560382c162b0bd03c9553662f183dc8de50ace4683"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4536",
    "kind": "arxiv",
    "version": 1
  }
}