Pith Number

pith:DHKZB3Z7

pith:2025:DHKZB3Z7ZXDUWENSXGFKGRINZO

not attested not anchored not stored refs pending

Some Applications and Limitations of Convex Optimization Hierarchies for Discrete and Continuous Optimization Problems

Mrinalkanti Ghosh

arxiv:2508.21327 v1 · 2025-08-29 · cs.CC · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DHKZB3Z7ZXDUWENSXGFKGRINZO}

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	2026-07-05T12:01:32.730494Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

19d590ef3fcdc74b11b2b98aa3450dcb92e1dfa3b89a696d466b9c2e0c4c921c

Aliases

arxiv: 2508.21327 · arxiv_version: 2508.21327v1 · doi: 10.48550/arxiv.2508.21327 · pith_short_12: DHKZB3Z7ZXDU · pith_short_16: DHKZB3Z7ZXDUWENS · pith_short_8: DHKZB3Z7

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/DHKZB3Z7ZXDUWENSXGFKGRINZO \
  | 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: 19d590ef3fcdc74b11b2b98aa3450dcb92e1dfa3b89a696d466b9c2e0c4c921c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5a1aaf5eea6031f9f37073870643bbd1b9faea20ac9fbe384b65f7e705fa4f38",
    "cross_cats_sorted": [
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CC",
    "submitted_at": "2025-08-29T05:02:07Z",
    "title_canon_sha256": "b7cbc9dfd9ebfea366a5541e5d0a773bae4d3410ddba6d280288c47c78ce0665"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.21327",
    "kind": "arxiv",
    "version": 1
  }
}