Pith Number

pith:3PK6CWEW

pith:2013:3PK6CWEWF2OW3ZU4T6OYTTHXWJ

not attested not anchored not stored refs pending

A Primal-Dual Continuous LP Method on the Multi-choice Multi-best Secretary Problem

Fei Chen, T-H. Hubert Chan

arxiv:1307.0624 v1 · 2013-07-02 · cs.DS · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3PK6CWEWF2OW3ZU4T6OYTTHXWJ}

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	2026-05-18T03:19:25.084701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dbd5e158962e9d6de69c9f9d89ccf7b25900a6448f018f15ba6226aebc5bf039

Aliases

arxiv: 1307.0624 · arxiv_version: 1307.0624v1 · doi: 10.48550/arxiv.1307.0624 · pith_short_12: 3PK6CWEWF2OW · pith_short_16: 3PK6CWEWF2OW3ZU4 · pith_short_8: 3PK6CWEW

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/3PK6CWEWF2OW3ZU4T6OYTTHXWJ \
  | 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: dbd5e158962e9d6de69c9f9d89ccf7b25900a6448f018f15ba6226aebc5bf039

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "863a17c6d5c13ce93e817f5dd020e124a0f946dcca6974ed0cbb50fed6f4052e",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-02T08:36:04Z",
    "title_canon_sha256": "18ccec028f7f5a766da648edadd2a8ad024927a11d158c1b7f2f290bdb43ff3b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.0624",
    "kind": "arxiv",
    "version": 1
  }
}