Pith Number

pith:DJIX4I6F

pith:2013:DJIX4I6FXOWQAV2NBQNNCKZS7K

not attested not anchored not stored refs pending

A Super-Fast Distributed Algorithm for Bipartite Metric Facility Location

James Hegeman, Sriram V. Pemmaraju

arxiv:1308.2694 v1 · 2013-08-12 · cs.DC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DJIX4I6FXOWQAV2NBQNNCKZS7K}

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	2026-05-18T03:16:05.443226Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1a517e23c5bbad00574d0c1ad12b32fa8449b09896f75caf78e4207f8411fbac

Aliases

arxiv: 1308.2694 · arxiv_version: 1308.2694v1 · doi: 10.48550/arxiv.1308.2694 · pith_short_12: DJIX4I6FXOWQ · pith_short_16: DJIX4I6FXOWQAV2N · pith_short_8: DJIX4I6F

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/DJIX4I6FXOWQAV2NBQNNCKZS7K \
  | 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: 1a517e23c5bbad00574d0c1ad12b32fa8449b09896f75caf78e4207f8411fbac

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "77445af9bc6dd82d7212829cf59d48d8d515769de53a9b86ae1540fedbbfb9f8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DC",
    "submitted_at": "2013-08-12T20:45:17Z",
    "title_canon_sha256": "c893fec0329abf497f74288091e31abea6b6201a9eb105b1d7f4756cd5eacfdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1308.2694",
    "kind": "arxiv",
    "version": 1
  }
}