Pith Number

pith:DAHMVJQX

pith:2022:DAHMVJQXFV23JSUNRGO4CGDY5I

not attested not anchored not stored refs pending

A homogeneous second-order descent method for nonconvex optimization

Bo Jiang, Chang He, Chenyu Xue, Chuwen Zhang, Dongdong Ge, Yinyu Ye, Yuntian Jiang

arxiv:2211.08212 v7 · 2022-11-15 · 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{DAHMVJQXFV23JSUNRGO4CGDY5I}

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	2026-06-30T00:15:06.510683Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

180ecaa6172d75b4ca8d899dc11878ea1859958053d31f1a321b1b3ebad962f6

Aliases

arxiv: 2211.08212 · arxiv_version: 2211.08212v7 · doi: 10.48550/arxiv.2211.08212 · pith_short_12: DAHMVJQXFV23 · pith_short_16: DAHMVJQXFV23JSUN · pith_short_8: DAHMVJQX

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/DAHMVJQXFV23JSUNRGO4CGDY5I \
  | 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: 180ecaa6172d75b4ca8d899dc11878ea1859958053d31f1a321b1b3ebad962f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cfd1d8dac2cfe924fd8d151388b6635cd060c3cf3696ac52999c4a4a1464ff44",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2022-11-15T15:26:27Z",
    "title_canon_sha256": "9c6416fbe20265604d9dceeb6c5d4fd7db5589e687a6680aab958922a87c70d5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2211.08212",
    "kind": "arxiv",
    "version": 7
  }
}