Pith Number

pith:HOJX3A2V

pith:2012:HOJX3A2VDIFJOPM7Q4V7AWFP5Q

not attested not anchored not stored refs pending

Approximating Soft-Capacitated Facility Location Problem With Uncertainty

Shuxin Cai, Wenguo Yang, Yaohua Tang

arxiv:1207.0271 v3 · 2012-07-02 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{HOJX3A2VDIFJOPM7Q4V7AWFP5Q}

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	2026-05-18T03:26:08.817371Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b937d83551a0a973d9f872bf058afec3e7cade2671e78b7406db523fea7966b

Aliases

arxiv: 1207.0271 · arxiv_version: 1207.0271v3 · doi: 10.48550/arxiv.1207.0271 · pith_short_12: HOJX3A2VDIFJ · pith_short_16: HOJX3A2VDIFJOPM7 · pith_short_8: HOJX3A2V

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/HOJX3A2VDIFJOPM7Q4V7AWFP5Q \
  | 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: 3b937d83551a0a973d9f872bf058afec3e7cade2671e78b7406db523fea7966b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "84020f4b0bbad7f73ecd0d80427f1d18c62bada2ceec68e781604110f578fd3a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2012-07-02T03:22:06Z",
    "title_canon_sha256": "60185c71a1b1d72130319795c11386c39236d37d8af2f4a20a77b43855095639"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.0271",
    "kind": "arxiv",
    "version": 3
  }
}