Pith Number

pith:JGUPPF6H

pith:2019:JGUPPF6HTZV7F7VHTQ323NABO5

not attested not anchored not stored refs pending

An Efficient Algorithm for Latin Squares in a Bipartite Min-Max-Plus System

Anurag Agarwal, Fazal Abbas, Mubasher Umer, Petko Kitanov, Umar Hayat

arxiv:1908.08371 v1 · 2019-08-22 · math.RA · 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{JGUPPF6HTZV7F7VHTQ323NABO5}

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	2026-07-04T23:59:12.195703Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

49a8f797c79e6bf2fea79c37adb4017767a0dfc371c469aa33d6e8fdf04fca32

Aliases

arxiv: 1908.08371 · arxiv_version: 1908.08371v1 · doi: 10.48550/arxiv.1908.08371 · pith_short_12: JGUPPF6HTZV7 · pith_short_16: JGUPPF6HTZV7F7VH · pith_short_8: JGUPPF6H

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/JGUPPF6HTZV7F7VHTQ323NABO5 \
  | 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: 49a8f797c79e6bf2fea79c37adb4017767a0dfc371c469aa33d6e8fdf04fca32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9f77b53064963f53c4b211a069143f51238017011b8dbe757d16a170f5f56673",
    "cross_cats_sorted": [
      "math.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2019-08-22T13:41:01Z",
    "title_canon_sha256": "1602067b598e971529dcebd4de02626d9fa4952909f789c3fffdf2024f492e34"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.08371",
    "kind": "arxiv",
    "version": 1
  }
}