Pith Number

pith:HTYWQSWW

pith:2015:HTYWQSWWATPD2XOL5WNBDYJY3G

not attested not anchored not stored refs pending

A feasible second order bundle algorithm for nonsmooth nonconvex optimization problems with inequality constraints: II. Implementation and numerical results

Hannes Fendl, Hermann Schichl

arxiv:1506.08021 v1 · 2015-06-26 · 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{HTYWQSWWATPD2XOL5WNBDYJY3G}

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	2026-05-18T01:37:48.257076Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cf1684ad604de3d5dcbed9a11e138d99b74a2d97abf57354ba039ee4b317e13

Aliases

arxiv: 1506.08021 · arxiv_version: 1506.08021v1 · doi: 10.48550/arxiv.1506.08021 · pith_short_12: HTYWQSWWATPD · pith_short_16: HTYWQSWWATPD2XOL · pith_short_8: HTYWQSWW

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/HTYWQSWWATPD2XOL5WNBDYJY3G \
  | 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: 3cf1684ad604de3d5dcbed9a11e138d99b74a2d97abf57354ba039ee4b317e13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8928bdc54179173e82e15c715fb933716549f9d7af26b76b5bcff76e1d429927",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-06-26T10:37:42Z",
    "title_canon_sha256": "e6db6bf10b9fda1c224128a1e0548b296a2581469ca4e5a63be5cd359069bf52"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1506.08021",
    "kind": "arxiv",
    "version": 1
  }
}