Pith Number

pith:2MJTSY24

pith:2021:2MJTSY24Z27MLF5KIFP3ZIODW3

not attested not anchored not stored refs pending

Frank-Wolfe-type methods for a class of nonconvex inequality-constrained problems

Guoyin Li, Liaoyuan Zeng, Ting Kei Pong, Xiaozhou Wang, Yongle Zhang

arxiv:2112.14404 v4 · 2021-12-29 · 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{2MJTSY24Z27MLF5KIFP3ZIODW3}

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	2026-07-05T07:34:44.854605Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d31339635ccebec597aa415fbca1c3b6f35beaa68f0ac78283d1d78378e1fb97

Aliases

arxiv: 2112.14404 · arxiv_version: 2112.14404v4 · doi: 10.48550/arxiv.2112.14404 · pith_short_12: 2MJTSY24Z27M · pith_short_16: 2MJTSY24Z27MLF5K · pith_short_8: 2MJTSY24

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/2MJTSY24Z27MLF5KIFP3ZIODW3 \
  | 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: d31339635ccebec597aa415fbca1c3b6f35beaa68f0ac78283d1d78378e1fb97

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe5ffea276d70e900984fa492cd2066ecf046b28b4b6f4fe04ad62ce9091496d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-12-29T05:53:05Z",
    "title_canon_sha256": "066635c7840b3bd697a872fa64de59ff1025a72ebcf6a6512e800629454ad0cc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2112.14404",
    "kind": "arxiv",
    "version": 4
  }
}