Pith Number

pith:66WUPCE7

pith:2009:66WUPCE7IEKOCBG4XMZK6CKWKV

not attested not anchored not stored refs pending

Fatal Degeneracy in the Semidefinite Programming Approach to the Decision of Polynomial Inequalities

David Monniaux (VERIMAG - Imag)

arxiv:0901.4907 v1 · 2009-01-30 · math.NA · cs.NA · 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{66WUPCE7IEKOCBG4XMZK6CKWKV}

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	2026-06-03T23:06:10.789633Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7ad47889f4114e104dcbb32af095655759dd397f00b753b89ee7354f9fba58b

Aliases

arxiv: 0901.4907 · arxiv_version: 0901.4907v1 · doi: 10.48550/arxiv.0901.4907 · pith_short_12: 66WUPCE7IEKO · pith_short_16: 66WUPCE7IEKOCBG4 · pith_short_8: 66WUPCE7

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/66WUPCE7IEKOCBG4XMZK6CKWKV \
  | 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: f7ad47889f4114e104dcbb32af095655759dd397f00b753b89ee7354f9fba58b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "67cdb7f509e460e6a2440ecd268942a8640007f63dfc79f87a23267262a133ed",
    "cross_cats_sorted": [
      "cs.NA",
      "math.AG",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2009-01-30T15:21:27Z",
    "title_canon_sha256": "8d214321420c787c4700ff5e8a8a0456b8165dbc47e510d70d8d311656a3246b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0901.4907",
    "kind": "arxiv",
    "version": 1
  }
}