Pith Number

pith:GDAK47GO

pith:2013:GDAK47GOW5CVYAHPVUNIEL2S7P

not attested not anchored not stored refs pending

Trust--Region Problems with Linear Inequality Constraints: Exact SDP Relaxation, Global Optimality and Robust Optimization

G. Li, V. Jeyakumar

arxiv:1309.3000 v1 · 2013-09-11 · 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{GDAK47GOW5CVYAHPVUNIEL2S7P}

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	2026-05-18T03:13:33.138552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

30c0ae7cceb7455c00efad1a822f52fbd5d9387574f592546e237823917b609a

Aliases

arxiv: 1309.3000 · arxiv_version: 1309.3000v1 · doi: 10.48550/arxiv.1309.3000 · pith_short_12: GDAK47GOW5CV · pith_short_16: GDAK47GOW5CVYAHP · pith_short_8: GDAK47GO

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/GDAK47GOW5CVYAHPVUNIEL2S7P \
  | 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: 30c0ae7cceb7455c00efad1a822f52fbd5d9387574f592546e237823917b609a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c42d6218fdfa872cea9b373b87e08c13a1e7e7a2da2a41d5466f07f6547dab75",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-09-11T23:20:36Z",
    "title_canon_sha256": "7c0876ce400d9a4da03a03e63efaaec45a57deeb68e8ac5412afbc8fcca8405b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3000",
    "kind": "arxiv",
    "version": 1
  }
}