Pith Number

pith:WT5J4URP

pith:2026:WT5J4URP7MK56N45PXBISBO5TA

not attested not anchored not stored refs pending

Online Optimization of Difference-of-Convex Compositions with Smooth Mappings

Jingwei Ji, Jong-Shi Pang, Renyuan Xu

arxiv:2607.19553 v1 · 2026-07-21 · math.OC · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WT5J4URP7MK56N45PXBISBO5TA}

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	2026-07-23T00:23:56.311982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4fa9e522ffb15df379d7dc28905dd98161c718bf1d9ab426e3fc62eaff98d9e

Aliases

arxiv: 2607.19553 · arxiv_version: 2607.19553v1 · doi: 10.48550/arxiv.2607.19553 · pith_short_12: WT5J4URP7MK5 · pith_short_16: WT5J4URP7MK56N45 · pith_short_8: WT5J4URP

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/WT5J4URP7MK56N45PXBISBO5TA \
  | 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: b4fa9e522ffb15df379d7dc28905dd98161c718bf1d9ab426e3fc62eaff98d9e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1e5cf62c55b1f2d27d856b8929606b2df5a720f292de2eccb700de1e27ae8517",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-21T20:13:40Z",
    "title_canon_sha256": "2eb4ca2610f468373c14a182caf6e87d1baf9394c2eb4b3c2cea4cd49edb7ca5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19553",
    "kind": "arxiv",
    "version": 1
  }
}