Pith Number

pith:B4YR6KVQ

pith:2021:B4YR6KVQLUWUD3Z2PYJ63UZFMN

not attested not anchored not stored refs pending

Smart Feasibility Pump: Reinforcement Learning for (Mixed) Integer Programming

Meng Qi, Mengxin Wang, Zuo-Jun Shen

arxiv:2102.09663 v2 · 2021-02-18 · 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{B4YR6KVQLUWUD3Z2PYJ63UZFMN}

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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.

Cited by

1 paper in Pith

Fast and Interpretable Mixed-Integer Linear Program Solving by Learning Model Reduction

Receipt and verification

First computed	2026-07-05T02:58:39.615701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0f311f2ab05d2d41ef3a7e13edd3256341da1079b2715457913425ac7e50e41e

Aliases

arxiv: 2102.09663 · arxiv_version: 2102.09663v2 · doi: 10.48550/arxiv.2102.09663 · pith_short_12: B4YR6KVQLUWU · pith_short_16: B4YR6KVQLUWUD3Z2 · pith_short_8: B4YR6KVQ

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/B4YR6KVQLUWUD3Z2PYJ63UZFMN \
  | 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: 0f311f2ab05d2d41ef3a7e13edd3256341da1079b2715457913425ac7e50e41e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "797c6f7aa1fae57bf44f838bbf4c5c4ae633f99bb95786e48866dbac4bea19f7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-02-18T23:18:17Z",
    "title_canon_sha256": "342479171d30ee0e70e4f0c44f0d77b02e3fecdcf3d597142fa2e635f068d7d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.09663",
    "kind": "arxiv",
    "version": 2
  }
}