Pith Number

pith:PRAZJHBQ

pith:2013:PRAZJHBQU2C5SU3RUNX27RT6PK

not attested not anchored not stored refs pending

Semidefinite relaxations for semi-infinite polynomial programming

Feng Guo, Li Wang

arxiv:1306.1875 v1 · 2013-06-08 · 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{PRAZJHBQU2C5SU3RUNX27RT6PK}

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	2026-05-18T03:21:23.025255Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7c41949c30a685d95371a36fafc67e7a93712d1fab83265ce2769b2ad7ef30da

Aliases

arxiv: 1306.1875 · arxiv_version: 1306.1875v1 · doi: 10.48550/arxiv.1306.1875 · pith_short_12: PRAZJHBQU2C5 · pith_short_16: PRAZJHBQU2C5SU3R · pith_short_8: PRAZJHBQ

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/PRAZJHBQU2C5SU3RUNX27RT6PK \
  | 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: 7c41949c30a685d95371a36fafc67e7a93712d1fab83265ce2769b2ad7ef30da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e2b888c571b3eb7fb3150d2b76f3429036372e59373edf186443a3407280497e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-06-08T04:22:28Z",
    "title_canon_sha256": "e5619e148161b0f365bddfd82159385927cd021dc34aa0729df10bbed32da3e6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.1875",
    "kind": "arxiv",
    "version": 1
  }
}