Pith Number

pith:RXOQLJDD

pith:2011:RXOQLJDDFNECEVX3ARJ564SAXP

not attested not anchored not stored refs pending

GPU-Based Heuristic Solver for Linear Sum Assignment Problems Under Real-time Constraints

Amgad Naiem, Mohammed El-Beltagy, Roberto Roverso, Sameh El-Ansary

arxiv:1106.5694 v2 · 2011-06-28 · cs.DC · cs.MS · cs.PF · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RXOQLJDDFNECEVX3ARJ564SAXP}

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	2026-05-18T04:19:04.040733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8ddd05a4632b482256fb0453df7240bbca19d6adc4c4987521acb82ddd425c91

Aliases

arxiv: 1106.5694 · arxiv_version: 1106.5694v2 · doi: 10.48550/arxiv.1106.5694 · pith_short_12: RXOQLJDDFNEC · pith_short_16: RXOQLJDDFNECEVX3 · pith_short_8: RXOQLJDD

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/RXOQLJDDFNECEVX3ARJ564SAXP \
  | 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: 8ddd05a4632b482256fb0453df7240bbca19d6adc4c4987521acb82ddd425c91

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a9a617d473d701efe9a3eff726a9b8ffdb0688cb4bb3bc83aaf44897ae5e02d7",
    "cross_cats_sorted": [
      "cs.MS",
      "cs.PF",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2011-06-28T14:53:58Z",
    "title_canon_sha256": "a0db4cc6c8d46b5b78c86f089965b25414034a8800372bad27833b529c4d9452"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.5694",
    "kind": "arxiv",
    "version": 2
  }
}