Pith Number

pith:4FBOJ3OO

pith:2025:4FBOJ3OOPO7IAJU3J6GIMWN3AS

not attested not anchored not stored refs pending

A low-rank augmented Lagrangian method for doubly nonnegative relaxations of mixed-binary quadratic programs

Di Hou, Kim-Chuan Toh, Tianyun Tang

arxiv:2502.13849 v1 · 2025-02-19 · 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{4FBOJ3OOPO7IAJU3J6GIMWN3AS}

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.

Cited by

1 paper in Pith

RiNNAL+: a Riemannian ALM Solver for SDP-RLT Relaxations of Mixed-Binary Quadratic Programs

Receipt and verification

First computed	2026-07-05T10:17:01.430096Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e142e4edce7bbe80269b4f8c8659bb049b70068f5539449282a63693cfc3d491

Aliases

arxiv: 2502.13849 · arxiv_version: 2502.13849v1 · doi: 10.48550/arxiv.2502.13849 · pith_short_12: 4FBOJ3OOPO7I · pith_short_16: 4FBOJ3OOPO7IAJU3 · pith_short_8: 4FBOJ3OO

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/4FBOJ3OOPO7IAJU3J6GIMWN3AS \
  | 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: e142e4edce7bbe80269b4f8c8659bb049b70068f5539449282a63693cfc3d491

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "406a16f91701391f52ce222354db0568d6b01a520145d07629af812e2155f334",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-02-19T16:12:14Z",
    "title_canon_sha256": "1d5ce022851e937cc81647b1b57643cc2144c95afc7c88219b937edaf8a36bc8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.13849",
    "kind": "arxiv",
    "version": 1
  }
}