Pith Number

pith:CTFGZ5ZL

pith:2025:CTFGZ5ZLV2N2HLTYYC5PNMRSKF

not attested not anchored not stored refs pending

New Primal-Dual Algorithm for Convex Problems

Shuning Liu, Zexian Liu

arxiv:2504.16876 v1 · 2025-04-23 · 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{CTFGZ5ZLV2N2HLTYYC5PNMRSKF}

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	2026-07-05T10:53:05.690865Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

14ca6cf72bae9ba3ae78c0baf6b2325170f62c5f52bae78567bb038e61b854b2

Aliases

arxiv: 2504.16876 · arxiv_version: 2504.16876v1 · doi: 10.48550/arxiv.2504.16876 · pith_short_12: CTFGZ5ZLV2N2 · pith_short_16: CTFGZ5ZLV2N2HLTY · pith_short_8: CTFGZ5ZL

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/CTFGZ5ZLV2N2HLTYYC5PNMRSKF \
  | 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: 14ca6cf72bae9ba3ae78c0baf6b2325170f62c5f52bae78567bb038e61b854b2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6345656c4d5f6a0881be7df00af13da71390e2d42eec9c026145eba31599c35a",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-04-23T16:53:14Z",
    "title_canon_sha256": "7c3c27a4482fca03b108dbbbdbb0e2b9c3eb71cb1db940146a9c79dc30c4b6a7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2504.16876",
    "kind": "arxiv",
    "version": 1
  }
}