Pith Number

pith:KQVSOXYS

pith:2025:KQVSOXYSHXHPWVVNFAGADOCJNU

not attested not anchored not stored refs pending

Enhanced PDHG for Linear Programming with Online Preconditioning

Haihao Lu, Wanyu Zhang

arxiv:2506.17650 v1 · 2025-06-21 · 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{KQVSOXYSHXHPWVVNFAGADOCJNU}

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	2026-07-05T11:25:21.116547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

542b275f123dcefb56ad280c01b8496d0bae227804c76e564f85cddc103933d0

Aliases

arxiv: 2506.17650 · arxiv_version: 2506.17650v1 · doi: 10.48550/arxiv.2506.17650 · pith_short_12: KQVSOXYSHXHP · pith_short_16: KQVSOXYSHXHPWVVN · pith_short_8: KQVSOXYS

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/KQVSOXYSHXHPWVVNFAGADOCJNU \
  | 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: 542b275f123dcefb56ad280c01b8496d0bae227804c76e564f85cddc103933d0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2177d940d6c41a851efab6bb99f130e7b8a6e91bd4e4f5f88db9badc51e178c7",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2025-06-21T09:20:30Z",
    "title_canon_sha256": "5af7d0131b72412e7474c011c78a090c73dfcae4c88d78d2e38f25a25596d4b6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.17650",
    "kind": "arxiv",
    "version": 1
  }
}