Pith Number

pith:EYUODCUI

pith:2013:EYUODCUIBOIYXKN6L3PCAYX3JI

not attested not anchored not stored refs pending

Trust Region Subproblem with a Fixed Number of Additional Linear Inequality Constraints has Polynomial Complexity

Ruey-Lin Sheu, Yong Hsia

arxiv:1312.1398 v1 · 2013-12-05 · 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{EYUODCUIBOIYXKN6L3PCAYX3JI}

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	2026-05-18T03:05:27.423022Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2628e18a880b918ba9be5ede2062fb4a07604f26632ff546da6dd4404b1d04a7

Aliases

arxiv: 1312.1398 · arxiv_version: 1312.1398v1 · doi: 10.48550/arxiv.1312.1398 · pith_short_12: EYUODCUIBOIY · pith_short_16: EYUODCUIBOIYXKN6 · pith_short_8: EYUODCUI

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/EYUODCUIBOIYXKN6L3PCAYX3JI \
  | 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: 2628e18a880b918ba9be5ede2062fb4a07604f26632ff546da6dd4404b1d04a7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "32dff454a003cfcee7e13eb86b02932564789006520d6178d460c68c59b05adc",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-12-05T00:47:10Z",
    "title_canon_sha256": "359b9c87d788dee61d229211f17e73208c7d082debde51df6a61a1a8269813a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1312.1398",
    "kind": "arxiv",
    "version": 1
  }
}