Pith Number

pith:EF3VKAWM

pith:2022:EF3VKAWMOKTYDOAAMJ6W6XS2XK

not attested not anchored not stored refs pending

Spectrahedral Shadows and Completely Positive Maps on Real Closed Fields

Andreas Thom, Manuel Bodirsky, Mario Kummer

arxiv:2206.06312 v2 · 2022-06-13 · math.RA · math.LO · math.OA · 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{EF3VKAWMOKTYDOAAMJ6W6XS2XK}

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.

Cited by

1 paper in Pith

Kernel-Based LMI Approaches to Solving the Hamilton-Jacobi-Bellman Equation and Nonlinear Optimal Control

Receipt and verification

First computed	2026-07-05T08:45:45.015504Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

21775502cc72a781b800627d6f5e5abaaed7b38a1cce7ffffbb9e3a8c872a18d

Aliases

arxiv: 2206.06312 · arxiv_version: 2206.06312v2 · doi: 10.48550/arxiv.2206.06312 · pith_short_12: EF3VKAWMOKTY · pith_short_16: EF3VKAWMOKTYDOAA · pith_short_8: EF3VKAWM

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/EF3VKAWMOKTYDOAAMJ6W6XS2XK \
  | 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: 21775502cc72a781b800627d6f5e5abaaed7b38a1cce7ffffbb9e3a8c872a18d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65a4928c4312dea49014e97a6ff38ec012652abacb86668597dd345435055ab5",
    "cross_cats_sorted": [
      "math.LO",
      "math.OA",
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.RA",
    "submitted_at": "2022-06-13T16:53:18Z",
    "title_canon_sha256": "4f767cbea50a9cb816dac94bd289423fb705e9e4be46ad415d056829db8ba690"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2206.06312",
    "kind": "arxiv",
    "version": 2
  }
}