Pith Number

pith:3667EVQW

pith:2018:3667EVQWQLGE2KMDAGNXDC26UN

not attested not anchored not stored refs pending

Inexact Newton method with feasible inexact projections for solving constrained smooth and nonsmooth equations

Fabiana R. de Oliveira, Orizon P. Ferreira

arxiv:1810.11640 v3 · 2018-10-27 · 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{3667EVQWQLGE2KMDAGNXDC26UN}

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	2026-05-17T23:51:09.523477Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dfbdf2561682cc4d2983019b718b5ea354bc7bfba797601294ae957b36a2d2f2

Aliases

arxiv: 1810.11640 · arxiv_version: 1810.11640v3 · doi: 10.48550/arxiv.1810.11640 · pith_short_12: 3667EVQWQLGE · pith_short_16: 3667EVQWQLGE2KMD · pith_short_8: 3667EVQW

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/3667EVQWQLGE2KMDAGNXDC26UN \
  | 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: dfbdf2561682cc4d2983019b718b5ea354bc7bfba797601294ae957b36a2d2f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "05a41f3d5074b8f1d339ba9bfedd98fa321e95563e4ad1b7993248adb546d5d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-10-27T13:08:56Z",
    "title_canon_sha256": "7f53961df8455da9b96579a5afda3dca6ff79035a0363f54ba8b9cd88b739b57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11640",
    "kind": "arxiv",
    "version": 3
  }
}