Pith Number

pith:U3FR4DYT

pith:2018:U3FR4DYTLHCZLAWCRWSPO4V4DA

not attested not anchored not stored refs pending

On bounded pitch inequalities for the min-knapsack polytope

Igor Malinovi\'c, Monaldo Mastrolilli, Ola Svensson, Yuri Faenza

arxiv:1801.08850 v1 · 2018-01-26 · 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{U3FR4DYTLHCZLAWCRWSPO4V4DA}

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	2026-05-18T00:25:02.870091Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a6cb1e0f1359c59582c28da4f772bc18390573cf9400e6a50dca9395138e1601

Aliases

arxiv: 1801.08850 · arxiv_version: 1801.08850v1 · doi: 10.48550/arxiv.1801.08850 · pith_short_12: U3FR4DYTLHCZ · pith_short_16: U3FR4DYTLHCZLAWC · pith_short_8: U3FR4DYT

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/U3FR4DYTLHCZLAWCRWSPO4V4DA \
  | 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: a6cb1e0f1359c59582c28da4f772bc18390573cf9400e6a50dca9395138e1601

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e310c329d91265ea2149bbb4e8ca0d9ffad1db6f0f46d33744b55931ffe7a1a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-01-26T15:38:21Z",
    "title_canon_sha256": "3c896a9e15a92e19fe515087151882477c8104764865d59cb3ea27a5a3c39c50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.08850",
    "kind": "arxiv",
    "version": 1
  }
}