Pith Number

pith:LADT3RGX

pith:2025:LADT3RGXLLQOLFKS5NEBQNOZTM

not attested not anchored not stored refs pending

(Near)-Optimal Algorithms for Sparse Separable Convex Integer Programs

Asaf Levin, Christoph Hunkenschr\"oder, Martin Kouteck\'y, Tung Anh Vu

arxiv:2505.22212 v1 · 2025-05-28 · cs.DS · 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{LADT3RGXLLQOLFKS5NEBQNOZTM}

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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	2026-07-05T11:11:11.538629Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58073dc4d75ae0e59552eb481835d99b17d9c768dee3b8145dc4660d570fe0b9

Aliases

arxiv: 2505.22212 · arxiv_version: 2505.22212v1 · doi: 10.48550/arxiv.2505.22212 · pith_short_12: LADT3RGXLLQO · pith_short_16: LADT3RGXLLQOLFKS · pith_short_8: LADT3RGX

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/LADT3RGXLLQOLFKS5NEBQNOZTM \
  | 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: 58073dc4d75ae0e59552eb481835d99b17d9c768dee3b8145dc4660d570fe0b9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e7f47a9f562e3233adf9089c3c6e40de2028bf291163097585f71a966e8f6102",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2025-05-28T10:39:56Z",
    "title_canon_sha256": "b0ed020e57959537fa163827bf2df275ea0512a11aaef84a799308b7b33d6fe4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.22212",
    "kind": "arxiv",
    "version": 1
  }
}