Pith Number

pith:75BESAR2

pith:2013:75BESAR2O3TA3JPROFRYXMRFXM

not attested not anchored not stored refs pending

Local-Search based Approximation Algorithms for Mobile Facility Location Problems

Chaitanya Swamy, Sara Ahmadian, Zachary Friggstad

arxiv:1301.4478 v1 · 2013-01-18 · cs.DS · cs.DM

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{75BESAR2O3TA3JPROFRYXMRFXM}

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	2026-05-18T03:36:05.346912Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ff4249023a76e60da5f171638bb225bb1c81059bcc8ba5971e4dc5f5e0ac6a37

Aliases

arxiv: 1301.4478 · arxiv_version: 1301.4478v1 · doi: 10.48550/arxiv.1301.4478 · pith_short_12: 75BESAR2O3TA · pith_short_16: 75BESAR2O3TA3JPR · pith_short_8: 75BESAR2

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/75BESAR2O3TA3JPROFRYXMRFXM \
  | 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: ff4249023a76e60da5f171638bb225bb1c81059bcc8ba5971e4dc5f5e0ac6a37

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "14730ba88a6ff2b29622789d61447f1da1342916e5427de09c4c31ca788151bf",
    "cross_cats_sorted": [
      "cs.DM"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-01-18T20:05:12Z",
    "title_canon_sha256": "e7da93b25ecaf9d8188b90c90e344bf35d4326506764af1241328bf781e89539"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1301.4478",
    "kind": "arxiv",
    "version": 1
  }
}