Pith Number

pith:XMGDWJOG

pith:2022:XMGDWJOGD3WA5PQ4H4VXRSUI3I

not attested not anchored not stored refs pending

On globally solving nonconvex trust region subproblem via projected gradient method

Jinyang Zheng, Mengmeng Song, Yong Xia

arxiv:2207.05597 v1 · 2022-07-12 · 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{XMGDWJOGD3WA5PQ4H4VXRSUI3I}

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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.

Cited by

1 paper in Pith

Global and local approaches for the minimization of a sum of pointwise minima of convex functions

Receipt and verification

First computed	2026-07-05T04:39:44.370290Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bb0c3b25c61eec0ebe1c3f2b78ca88da0cc7c15dcde84b3a6cc42d4edc7fde14

Aliases

arxiv: 2207.05597 · arxiv_version: 2207.05597v1 · doi: 10.48550/arxiv.2207.05597 · pith_short_12: XMGDWJOGD3WA · pith_short_16: XMGDWJOGD3WA5PQ4 · pith_short_8: XMGDWJOG

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/XMGDWJOGD3WA5PQ4H4VXRSUI3I \
  | 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: bb0c3b25c61eec0ebe1c3f2b78ca88da0cc7c15dcde84b3a6cc42d4edc7fde14

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5f2cfdadd1cbc9a5ef9141747572e6b778e810444ae97ee99ef7ec96384ce908",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-07-12T15:14:16Z",
    "title_canon_sha256": "938852d11c59fb9ad676c99406e2a51af9f9976bc3f5d20f1ba894aaaee64c53"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2207.05597",
    "kind": "arxiv",
    "version": 1
  }
}