Pith Number

pith:YL2UC4W4

pith:2014:YL2UC4W4NYYAXVCBRMXPR5E6MI

not attested not anchored not stored refs pending

LP-Based Algorithms for Capacitated Facility Location

Hyung-Chan An, Mohit Singh, Ola Svensson

arxiv:1407.3263 v2 · 2014-07-11 · 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{YL2UC4W4NYYAXVCBRMXPR5E6MI}

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	2026-05-18T02:42:47.500139Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c2f54172dc6e300bd4418b2ef8f49e62212beec32d5a539d1e0c7686fa2ba723

Aliases

arxiv: 1407.3263 · arxiv_version: 1407.3263v2 · doi: 10.48550/arxiv.1407.3263 · pith_short_12: YL2UC4W4NYYA · pith_short_16: YL2UC4W4NYYAXVCB · pith_short_8: YL2UC4W4

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/YL2UC4W4NYYAXVCBRMXPR5E6MI \
  | 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: c2f54172dc6e300bd4418b2ef8f49e62212beec32d5a539d1e0c7686fa2ba723

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8536086bc893b4b59d36d668b090d2bd822ce312d2cfc2e58c18de1ffc42feb9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2014-07-11T19:51:06Z",
    "title_canon_sha256": "c196d5fd4dedf64153a05bc79613210797d62df6faf848bc542ad12d853eee67"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1407.3263",
    "kind": "arxiv",
    "version": 2
  }
}