Pith Number

pith:7RVVH37F

pith:2018:7RVVH37FZTXXNHWIZQNC3JAVQ6

not attested not anchored not stored refs pending

Two-stage Combinatorial Optimization Problems under Risk

Adam Kasperski, Marc Goerigk, Pawel Zielinski

arxiv:1812.07826 v1 · 2018-12-19 · 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{7RVVH37FZTXXNHWIZQNC3JAVQ6}

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	2026-05-17T23:57:55.858079Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fc6b53efe5ccef769ec8cc1a2da41587a0700c052174b576e5df4490620f6c32

Aliases

arxiv: 1812.07826 · arxiv_version: 1812.07826v1 · doi: 10.48550/arxiv.1812.07826 · pith_short_12: 7RVVH37FZTXX · pith_short_16: 7RVVH37FZTXXNHWI · pith_short_8: 7RVVH37F

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/7RVVH37FZTXXNHWIZQNC3JAVQ6 \
  | 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: fc6b53efe5ccef769ec8cc1a2da41587a0700c052174b576e5df4490620f6c32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c954bb53677a3cdb17227978544ec88e82df7344bede1de3b14552cee59b3331",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2018-12-19T09:11:12Z",
    "title_canon_sha256": "be5994783b0d0a0862bb4c1cbdef30603cd42cfc7c00df9c7d71ac7ecd32f439"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07826",
    "kind": "arxiv",
    "version": 1
  }
}