Pith Number

pith:6CZULHWZ

pith:2018:6CZULHWZYOFL2KJDEWCNQX3GP3

not attested not anchored not stored refs pending

Strong Convex Nonlinear Relaxations of the Pooling Problem

Claudia D'Ambrosio, James Luedtke, Jeff Linderoth, Jonas Schweiger

arxiv:1803.02955 v1 · 2018-03-08 · 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{6CZULHWZYOFL2KJDEWCNQX3GP3}

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	2026-05-18T00:21:44.873219Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f0b3459ed9c38abd29232584d85f667ed5431176bb73f69e775a227dcdd86ae3

Aliases

arxiv: 1803.02955 · arxiv_version: 1803.02955v1 · doi: 10.48550/arxiv.1803.02955 · pith_short_12: 6CZULHWZYOFL · pith_short_16: 6CZULHWZYOFL2KJD · pith_short_8: 6CZULHWZ

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/6CZULHWZYOFL2KJDEWCNQX3GP3 \
  | 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: f0b3459ed9c38abd29232584d85f667ed5431176bb73f69e775a227dcdd86ae3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4fc7e43bdfdd2481f51310e269c7d47f60623621333fd3c0f450509e5fa6576",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-08T03:56:54Z",
    "title_canon_sha256": "09628d7f36762e21dd8b1a3119480802043b00150aecf940729900edf7c0171f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02955",
    "kind": "arxiv",
    "version": 1
  }
}