Pith Number

pith:4GEIRNSI

pith:2019:4GEIRNSINV2VV7H5ZDA4U2JGJX

not attested not anchored not stored refs pending

The convergence of the Generalized Lanczos Trust-Region Method for the Trust-Region Subproblem

Fa Wang, Zhongxiao Jia

arxiv:1908.02094 v1 · 2019-08-06 · math.NA · cs.NA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4GEIRNSINV2VV7H5ZDA4U2JGJX}

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	2026-07-05T02:30:55.262224Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e18888b6486d755afcfdc8c1ca69264dcdaaf9826026b062b405b305619cce73

Aliases

arxiv: 1908.02094 · arxiv_version: 1908.02094v1 · doi: 10.48550/arxiv.1908.02094 · pith_short_12: 4GEIRNSINV2V · pith_short_16: 4GEIRNSINV2VV7H5 · pith_short_8: 4GEIRNSI

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/4GEIRNSINV2VV7H5ZDA4U2JGJX \
  | 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: e18888b6486d755afcfdc8c1ca69264dcdaaf9826026b062b405b305619cce73

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5be2023e0a5a9c57d0399f56447bb9f0ef915178416fe69fd810dc28fbaccca2",
    "cross_cats_sorted": [
      "cs.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.NA",
    "submitted_at": "2019-08-06T12:05:18Z",
    "title_canon_sha256": "e302ab9b8038cb4841cf985d801cbcdfa4eaf8c1073a7ad98f2ce9edb16fa744"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.02094",
    "kind": "arxiv",
    "version": 1
  }
}