Pith Number

pith:SIRWRDGB

pith:2014:SIRWRDGBTYQIH2ZFPHHB6FYK5R

not attested not anchored not stored refs pending

An exact column-generation approach for the lot-type design problem -- extended abstract

J\"org Rambau, Miriam Kie{\ss}ling, Sascha Kurz

arxiv:1401.8071 v1 · 2014-01-31 · math.OC · 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{SIRWRDGBTYQIH2ZFPHHB6FYK5R}

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	2026-05-18T01:18:20.045183Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9223688cc19e2083eb2579ce1f170aec7fa6813c72d02169dee26ad95f307b62

Aliases

arxiv: 1401.8071 · arxiv_version: 1401.8071v1 · doi: 10.48550/arxiv.1401.8071 · pith_short_12: SIRWRDGBTYQI · pith_short_16: SIRWRDGBTYQIH2ZF · pith_short_8: SIRWRDGB

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/SIRWRDGBTYQIH2ZFPHHB6FYK5R \
  | 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: 9223688cc19e2083eb2579ce1f170aec7fa6813c72d02169dee26ad95f307b62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f1b4f8cf4398ecbddf809919298bb90eed802409754fbb4e5c10664abef5ebdb",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2014-01-31T06:54:57Z",
    "title_canon_sha256": "52b1ebc9290866e554dc2625f6a93239febf265cefa3d6efc4646532e045bc89"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.8071",
    "kind": "arxiv",
    "version": 1
  }
}