Pith Number

pith:KDKC72EC

pith:2025:KDKC72ECNMZ5GD4RIKVF2TSZY3

not attested not anchored not stored refs pending

Quantum Algorithms for Projection-Free Sparse Convex Optimization

Jianhao He, John C.S. Lui

arxiv:2507.08543 v1 · 2025-07-11 · quant-ph · 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{KDKC72ECNMZ5GD4RIKVF2TSZY3}

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	2026-07-05T11:35:41.793415Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

50d42fe8826b33d30f9142aa5d4e59c6d633bf4e344849c1dcf6276b00a599cb

Aliases

arxiv: 2507.08543 · arxiv_version: 2507.08543v1 · doi: 10.48550/arxiv.2507.08543 · pith_short_12: KDKC72ECNMZ5 · pith_short_16: KDKC72ECNMZ5GD4R · pith_short_8: KDKC72EC

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/KDKC72ECNMZ5GD4RIKVF2TSZY3 \
  | 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: 50d42fe8826b33d30f9142aa5d4e59c6d633bf4e344849c1dcf6276b00a599cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4b4e838e07bd180c62405a0d7968fdc802334fb1cef60e9f852ac3c23fee914c",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-07-11T12:43:58Z",
    "title_canon_sha256": "7ca55c0d682528592e1d439f5b8f410d47bcb2be51b8deb4703a890ae6f1d349"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.08543",
    "kind": "arxiv",
    "version": 1
  }
}