Pith Number

pith:ACLDLRFS

pith:2017:ACLDLRFS337HD7OUUGAG42PDLS

not attested not anchored not stored refs pending

Using Negative Curvature in Solving Nonlinear Programs

Chaoxu Zhou, Cun Mu, Donald Goldfarb, John Wright

arxiv:1706.00896 v1 · 2017-06-03 · 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{ACLDLRFS337HD7OUUGAG42PDLS}

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	2026-05-18T00:43:07.507200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

009635c4b2defe71fdd4a1806e69e35cb440f64c7c4e0ffdbd73bc1ccc6b7c71

Aliases

arxiv: 1706.00896 · arxiv_version: 1706.00896v1 · doi: 10.48550/arxiv.1706.00896 · pith_short_12: ACLDLRFS337H · pith_short_16: ACLDLRFS337HD7OU · pith_short_8: ACLDLRFS

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/ACLDLRFS337HD7OUUGAG42PDLS \
  | 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: 009635c4b2defe71fdd4a1806e69e35cb440f64c7c4e0ffdbd73bc1ccc6b7c71

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "838c0c409b332954c0747b54cc334576b3557616d25ee887d85c077b0762e330",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2017-06-03T04:24:24Z",
    "title_canon_sha256": "42bdc97e4a94a1f940e91fe9e13557ae92f8cebfb530ed5678945c08723e21e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.00896",
    "kind": "arxiv",
    "version": 1
  }
}