Pith Number

pith:2KB6KTFN

pith:2021:2KB6KTFNEZLXKLNVH7GPZTYAZL

not attested not anchored not stored refs pending

Inequality Constrained Stochastic Nonlinear Optimization via Active-Set Sequential Quadratic Programming

Mihai Anitescu, Mladen Kolar, Sen Na

arxiv:2109.11502 v3 · 2021-09-23 · math.OC · cs.LG · cs.NA · math.NA · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2KB6KTFNEZLXKLNVH7GPZTYAZL}

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.

Cited by

1 paper in Pith

Stochastic Penalty-Barrier Methods for Constrained Machine Learning

Receipt and verification

First computed	2026-07-05T05:36:45.219403Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d283e54cad2657752db53fccfccf00cae9e464c95b9957c5468c8dc953a44dba

Aliases

arxiv: 2109.11502 · arxiv_version: 2109.11502v3 · doi: 10.48550/arxiv.2109.11502 · pith_short_12: 2KB6KTFNEZLX · pith_short_16: 2KB6KTFNEZLXKLNV · pith_short_8: 2KB6KTFN

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/2KB6KTFNEZLXKLNVH7GPZTYAZL \
  | 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: d283e54cad2657752db53fccfccf00cae9e464c95b9957c5468c8dc953a44dba

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d6c885ea1a6d39a2c31ea0b72c2c0d48698eefe11b95894c807aee9d57d0f98b",
    "cross_cats_sorted": [
      "cs.LG",
      "cs.NA",
      "math.NA",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-09-23T17:12:17Z",
    "title_canon_sha256": "c8a6421d3cd334d8ed8586315080b164450270b1fa2581fec45c1c3b61e90e94"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.11502",
    "kind": "arxiv",
    "version": 3
  }
}