Pith Number

pith:Y6PCXQRL

pith:2019:Y6PCXQRL42ARZREL73MZF4N6RM

not attested not anchored not stored refs pending

Some Black-box Reductions for Objective-robust Discrete Optimization Problems Based on their LP-Relaxations

Khaled Elbassioni

arxiv:1907.06786 v1 · 2019-07-15 · 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{Y6PCXQRL42ARZREL73MZF4N6RM}

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	2026-05-17T23:40:29.150121Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c79e2bc22be6811cc48bfed992f1be8b05a3cae980640f4b345f3befebbdcbf3

Aliases

arxiv: 1907.06786 · arxiv_version: 1907.06786v1 · doi: 10.48550/arxiv.1907.06786 · pith_short_12: Y6PCXQRL42AR · pith_short_16: Y6PCXQRL42ARZREL · pith_short_8: Y6PCXQRL

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/Y6PCXQRL42ARZREL73MZF4N6RM \
  | 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: c79e2bc22be6811cc48bfed992f1be8b05a3cae980640f4b345f3befebbdcbf3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c6aeaa0b375f4bca2cfefbbe3c63b40e85bfac9431507e6a5623992641ef5a0c",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2019-07-15T23:17:48Z",
    "title_canon_sha256": "b4d28c6f1ad6eb19a616b5c9719dc2aadbd0c4ea767f3b276e4119eeae2b860b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06786",
    "kind": "arxiv",
    "version": 1
  }
}