Pith Number

pith:DPDJBQDE

pith:2018:DPDJBQDEBGC2N3BFVFJE7S3OH3

not attested not anchored not stored refs pending

A Fast Polynomial-time Primal-Dual Projection Algorithm for Linear Programming

Kees Roos, Wei Zhang, Zhize Li

arxiv:1810.04517 v1 · 2018-10-10 · math.OC · cs.DS · math.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DPDJBQDEBGC2N3BFVFJE7S3OH3}

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	2026-05-18T00:03:39.884892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bc690c0640985a6ec25a9524fcb6e3ee27c475df6c7d2d204625979b4d39630

Aliases

arxiv: 1810.04517 · arxiv_version: 1810.04517v1 · doi: 10.48550/arxiv.1810.04517 · pith_short_12: DPDJBQDEBGC2 · pith_short_16: DPDJBQDEBGC2N3BF · pith_short_8: DPDJBQDE

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/DPDJBQDEBGC2N3BFVFJE7S3OH3 \
  | 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: 1bc690c0640985a6ec25a9524fcb6e3ee27c475df6c7d2d204625979b4d39630

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5cbfb1cd2f1f805f45b7f294d26d06407a98ea54d2cab6d33259eb913de83c86",
    "cross_cats_sorted": [
      "cs.DS",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-10T13:27:02Z",
    "title_canon_sha256": "dfdf443b8c3f3b502a846ffd2777e00826979e462382c874281345eb2f3a064d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.04517",
    "kind": "arxiv",
    "version": 1
  }
}