Pith Number

pith:NHD2D5SE

pith:2019:NHD2D5SESJGNGL5INPIENLA3N4

not attested not anchored not stored refs pending

Sparse Noncommutative Polynomial Optimization

Igor Klep, Janez Povh, Victor Magron

arxiv:1909.00569 v3 · 2019-09-02 · math.OC · math.AG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NHD2D5SESJGNGL5INPIENLA3N4}

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	2026-07-05T05:02:51.768890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

69c7a1f644924cd32fa86bd046ac1b6f21200d8829a5aa73f586123c584d6939

Aliases

arxiv: 1909.00569 · arxiv_version: 1909.00569v3 · doi: 10.48550/arxiv.1909.00569 · pith_short_12: NHD2D5SESJGN · pith_short_16: NHD2D5SESJGNGL5I · pith_short_8: NHD2D5SE

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/NHD2D5SESJGNGL5INPIENLA3N4 \
  | 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: 69c7a1f644924cd32fa86bd046ac1b6f21200d8829a5aa73f586123c584d6939

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e2d6dc801d001cfc925f3f956cc9c71a5645b7c228962b049cf6fc8c36e6730",
    "cross_cats_sorted": [
      "math.AG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-09-02T07:07:37Z",
    "title_canon_sha256": "a23cf26fa4c65ac9dd661220ad78e75424ef412bad48a286abc4176c78a885c5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1909.00569",
    "kind": "arxiv",
    "version": 3
  }
}