Pith Number

pith:SZHRSJWN

pith:2017:SZHRSJWN4RCCVIUPNAVWW6B4OS

not attested not anchored not stored refs pending

Sum-of-squares optimization without semidefinite programming

D\'avid Papp, Sercan Y{\i}ld{\i}z

arxiv:1712.01792 v3 · 2017-12-05 · 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{SZHRSJWN4RCCVIUPNAVWW6B4OS}

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	2026-05-17T23:57:48.754978Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

964f1926cde4442aa28f682b6b783c74afa50ac4ba0012bf7a1c73a03e12fb5d

Aliases

arxiv: 1712.01792 · arxiv_version: 1712.01792v3 · doi: 10.48550/arxiv.1712.01792 · pith_short_12: SZHRSJWN4RCC · pith_short_16: SZHRSJWN4RCCVIUP · pith_short_8: SZHRSJWN

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/SZHRSJWN4RCCVIUPNAVWW6B4OS \
  | 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: 964f1926cde4442aa28f682b6b783c74afa50ac4ba0012bf7a1c73a03e12fb5d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d6dd41001b74de58939b897a37aea7f4b23ab81df8d201d0f35fed555181971",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-12-05T18:14:30Z",
    "title_canon_sha256": "47dbb291217425f3a39c4cf7a7f0b199ce1431f1e8989b3beb0581a30ab1ff72"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.01792",
    "kind": "arxiv",
    "version": 3
  }
}