Pith Number

pith:R63AG237

pith:2016:R63AG237H2J2WZQ722X4Z2K7X2

not attested not anchored not stored refs pending

SOCP Reformulation for the Generalized Trust Region Subproblem via a Canonical Form of Two Symmetric Matrices

Baiyi Wu, Duan Li, Rujun Jiang

arxiv:1602.07819 v1 · 2016-02-25 · 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{R63AG237H2J2WZQ722X4Z2K7X2}

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	2026-05-18T00:35:05.536265Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8fb6036b7f3e93ab661fd6afcce95fbebd004c381f3e91470bf8eb086dcc767f

Aliases

arxiv: 1602.07819 · arxiv_version: 1602.07819v1 · doi: 10.48550/arxiv.1602.07819 · pith_short_12: R63AG237H2J2 · pith_short_16: R63AG237H2J2WZQ7 · pith_short_8: R63AG237

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/R63AG237H2J2WZQ722X4Z2K7X2 \
  | 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: 8fb6036b7f3e93ab661fd6afcce95fbebd004c381f3e91470bf8eb086dcc767f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26d911dfbc3de9a0085bffd40e55aa3ce799118377bd0faf42b78268bbb8be9f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-02-25T06:47:41Z",
    "title_canon_sha256": "0a77cd75e852e934345e7860c646aa3821e0013b7fcd42636c141c5ce4632f4d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1602.07819",
    "kind": "arxiv",
    "version": 1
  }
}