Pith Number

pith:MGVQWZLG

pith:2014:MGVQWZLG4CEBHWLPFPO7R6JRGZ

not attested not anchored not stored refs pending

Facility location problems in the constant work-space read-only memory model

Binay K. Bhattacharya, Minati De, Sasanka Roy, Subhas C. Nandy

arxiv:1409.4092 v1 · 2014-09-14 · cs.DS · cs.CG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MGVQWZLG4CEBHWLPFPO7R6JRGZ}

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	2026-05-18T02:42:29.404966Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

61ab0b6566e08813d96f2bddf8f931366ad612b9254eb27efdf868b1ef803fa9

Aliases

arxiv: 1409.4092 · arxiv_version: 1409.4092v1 · doi: 10.48550/arxiv.1409.4092 · pith_short_12: MGVQWZLG4CEB · pith_short_16: MGVQWZLG4CEBHWLP · pith_short_8: MGVQWZLG

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/MGVQWZLG4CEBHWLPFPO7R6JRGZ \
  | 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: 61ab0b6566e08813d96f2bddf8f931366ad612b9254eb27efdf868b1ef803fa9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c6a92c3536aa8685638ae3e619c6664e94f9d34cc43bc80f183b53c9ed5e22f",
    "cross_cats_sorted": [
      "cs.CG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-09-14T19:16:07Z",
    "title_canon_sha256": "c9c7eb6c748e8d22b57f51a447f80978c7bc07f72d53e6f7ace87beadc702aed"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.4092",
    "kind": "arxiv",
    "version": 1
  }
}