Pith Number

pith:ZYBGYGRK

pith:2011:ZYBGYGRKTQQQKLMYDNWPQN7CVO

not attested not anchored not stored refs pending

Convergence analysis of a proximal Gauss-Newton method

Saverio Salzo, Silvia Villa

arxiv:1103.0414 v1 · 2011-03-02 · math.OC · cs.SY · math.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{ZYBGYGRKTQQQKLMYDNWPQN7CVO}

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	2026-05-18T04:27:35.002789Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ce026c1a2a9c21052d981b6cf837e2aba6f544bd73e90fdf51f967f70eae3e3a

Aliases

arxiv: 1103.0414 · arxiv_version: 1103.0414v1 · doi: 10.48550/arxiv.1103.0414 · pith_short_12: ZYBGYGRKTQQQ · pith_short_16: ZYBGYGRKTQQQKLMY · pith_short_8: ZYBGYGRK

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/ZYBGYGRKTQQQKLMYDNWPQN7CVO \
  | 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: ce026c1a2a9c21052d981b6cf837e2aba6f544bd73e90fdf51f967f70eae3e3a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ec4f16bd49ed9d8c10fb96a6b0410315a2f23a1e98ab6f2d606af4e5e1af1331",
    "cross_cats_sorted": [
      "cs.SY",
      "math.NA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-03-02T12:54:44Z",
    "title_canon_sha256": "348982e6d68c48ec06356c75268d13224c43593503b95e134a61510db58f301d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.0414",
    "kind": "arxiv",
    "version": 1
  }
}