Pith Number

pith:WERWFIKN

pith:2018:WERWFIKNJZ3VDCL2FJMG4CX75I

not attested not anchored not stored refs pending

A Newton-CG Algorithm with Complexity Guarantees for Smooth Unconstrained Optimization

Cl\'ement W. Royer, Michael O'Neill, Stephen J. Wright

arxiv:1803.02924 v4 · 2018-03-08 · 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{WERWFIKNJZ3VDCL2FJMG4CX75I}

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	2026-05-18T00:01:01.899925Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b12362a14d4e7751897a2a586e0affea347024fc6438c766895adf182b61ad9c

Aliases

arxiv: 1803.02924 · arxiv_version: 1803.02924v4 · doi: 10.48550/arxiv.1803.02924 · pith_short_12: WERWFIKNJZ3V · pith_short_16: WERWFIKNJZ3VDCL2 · pith_short_8: WERWFIKN

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/WERWFIKNJZ3VDCL2FJMG4CX75I \
  | 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: b12362a14d4e7751897a2a586e0affea347024fc6438c766895adf182b61ad9c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4cc3115050cacc2f6e7f37b35eb508799984ee68b8b87fbeee28440ec694a71e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-03-08T00:32:56Z",
    "title_canon_sha256": "2b934e49bf27424581d2495d17bca5799947b39050ef10b23dd30ff8c5589c91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02924",
    "kind": "arxiv",
    "version": 4
  }
}