Pith Number

pith:IU6NF2VR

pith:2018:IU6NF2VR3UPY3FHXYISBXRBVHR

not attested not anchored not stored refs pending

An Inexact Primal-Dual Algorithm for Semi-Infinite Programming

Bo Wei, Sixiang Zhao, William B. Haskell

arxiv:1803.10898 v2 · 2018-03-29 · 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{IU6NF2VR3UPY3FHXYISBXRBVHR}

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	2026-05-17T23:56:25.119851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

453cd2eab1dd1f8d94f7c2241bc4353c6b26011c69e3771626b9bca8c4b57637

Aliases

arxiv: 1803.10898 · arxiv_version: 1803.10898v2 · doi: 10.48550/arxiv.1803.10898 · pith_short_12: IU6NF2VR3UPY · pith_short_16: IU6NF2VR3UPY3FHX · pith_short_8: IU6NF2VR

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/IU6NF2VR3UPY3FHXYISBXRBVHR \
  | 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: 453cd2eab1dd1f8d94f7c2241bc4353c6b26011c69e3771626b9bca8c4b57637

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "929aacaafb533320fb8b391ac7051dcd28225319e057cce675b0656ad47d28f3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-29T02:11:12Z",
    "title_canon_sha256": "38182bc835c41882132da680095a0d90caf6d813de9ea88362912d41bb993b50"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10898",
    "kind": "arxiv",
    "version": 2
  }
}