Pith Number

pith:YUDHRWGC

pith:2010:YUDHRWGCE3NKJ7Z4ZIP5FOGZQA

not attested not anchored not stored refs pending

Strict Positivstellens\"atze for matrix polynomials with scalar constraints

Jaka Cimpric

arxiv:1011.4930 v2 · 2010-11-22 · math.AG · 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{YUDHRWGCE3NKJ7Z4ZIP5FOGZQA}

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	2026-05-18T03:37:19.206927Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c50678d8c226daa4ff3cca1fd2b8d9801cf9e6e09a7ac78cb14c416db13a4d3d

Aliases

arxiv: 1011.4930 · arxiv_version: 1011.4930v2 · doi: 10.48550/arxiv.1011.4930 · pith_short_12: YUDHRWGCE3NK · pith_short_16: YUDHRWGCE3NKJ7Z4 · pith_short_8: YUDHRWGC

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/YUDHRWGCE3NKJ7Z4ZIP5FOGZQA \
  | 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: c50678d8c226daa4ff3cca1fd2b8d9801cf9e6e09a7ac78cb14c416db13a4d3d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e861bd007c861846c0b0d3945e85f75518c5c8bf8f5edb029d3f35d360624f0",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.AG",
    "submitted_at": "2010-11-22T20:35:34Z",
    "title_canon_sha256": "9cc15e8d7c5b7b2df9e928d67771359132f845d7accefb4913d866ef98db4108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1011.4930",
    "kind": "arxiv",
    "version": 2
  }
}