Pith Number

pith:V3SHLUYU

pith:2018:V3SHLUYUZTIPFSZ232DYBPH2JA

not attested not anchored not stored refs pending

On SOCP/SDP formulation of the extended trust region subproblem

M. Salahi, S. Ansary Karbasy, S. Fallahi

arxiv:1807.07815 v1 · 2018-07-20 · 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{V3SHLUYUZTIPFSZ232DYBPH2JA}

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	2026-05-18T00:10:15.586593Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aee475d314ccd0f2cb3ade8780bcfa4832dcc11f713dca63dcaaeae0e9fb906d

Aliases

arxiv: 1807.07815 · arxiv_version: 1807.07815v1 · doi: 10.48550/arxiv.1807.07815 · pith_short_12: V3SHLUYUZTIP · pith_short_16: V3SHLUYUZTIPFSZ2 · pith_short_8: V3SHLUYU

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/V3SHLUYUZTIPFSZ232DYBPH2JA \
  | 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: aee475d314ccd0f2cb3ade8780bcfa4832dcc11f713dca63dcaaeae0e9fb906d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b81c99b9e113361b3909966dc91354d9159d4c01f42e19f27d3a20885473cb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-07-20T12:43:54Z",
    "title_canon_sha256": "a923526989be4b6f08fb762b9b70c9e3d2868e62ba356e13e3b0d1e7a036bb79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07815",
    "kind": "arxiv",
    "version": 1
  }
}