Pith Number

pith:HXV7KQJ2

pith:2021:HXV7KQJ2HMFYM2AKHLMI5OXZ54

not attested not anchored not stored refs pending

A Stochastic Sequential Quadratic Optimization Algorithm for Nonlinear Equality Constrained Optimization with Rank-Deficient Jacobians

Albert S. Berahas, Daniel P. Robinson, Frank E. Curtis, Michael J. O'Neill

arxiv:2106.13015 v2 · 2021-06-24 · math.OC · stat.ML

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

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\usepackage{pith}
\pithnumber{HXV7KQJ2HMFYM2AKHLMI5OXZ54}

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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	2026-07-05T05:51:38.284718Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3debf5413a3b0b86680a3ad88ebaf9ef38a6b8a02867da54c60ab8a697fc643c

Aliases

arxiv: 2106.13015 · arxiv_version: 2106.13015v2 · doi: 10.48550/arxiv.2106.13015 · pith_short_12: HXV7KQJ2HMFY · pith_short_16: HXV7KQJ2HMFYM2AK · pith_short_8: HXV7KQJ2

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/HXV7KQJ2HMFYM2AKHLMI5OXZ54 \
  | 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: 3debf5413a3b0b86680a3ad88ebaf9ef38a6b8a02867da54c60ab8a697fc643c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3bc5db868d29a900aaaadfb86eb511cecad2b6f5128a9ca1cd3dcb47af7f8249",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-06-24T13:46:52Z",
    "title_canon_sha256": "5b83cdcc809c025f4907b6a81a55be0962438821ea4bed8e90abc5e182c769dd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2106.13015",
    "kind": "arxiv",
    "version": 2
  }
}