Pith Number

pith:LKK27TEG

pith:2021:LKK27TEG6JXNKZ2JDDL4WE3T3N

not attested not anchored not stored refs pending

Ecole: A Library for Learning Inside MILP Solvers

Andrea Lodi, Antoine Prouvost, Didier Ch\'etelat, Justin Dumouchelle, Maxime Gasse

arxiv:2104.02828 v1 · 2021-04-06 · cs.LG · 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{LKK27TEG6JXNKZ2JDDL4WE3T3N}

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	2026-07-05T02:29:59.994714Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a95afcc86f26ed5674918d7cb1373db6ac9b41be223a1392401579c8e0912aa

Aliases

arxiv: 2104.02828 · arxiv_version: 2104.02828v1 · doi: 10.48550/arxiv.2104.02828 · pith_short_12: LKK27TEG6JXN · pith_short_16: LKK27TEG6JXNKZ2J · pith_short_8: LKK27TEG

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/LKK27TEG6JXNKZ2JDDL4WE3T3N \
  | 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: 5a95afcc86f26ed5674918d7cb1373db6ac9b41be223a1392401579c8e0912aa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9fcdcdb2881f3df1758a056f64ac227ab397043773b109b7e79b6a3b45db232",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2021-04-06T23:36:16Z",
    "title_canon_sha256": "e124cc67d49b59aa4a2abaddea8fd75707c044e936335649595b63ec37f2a75f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02828",
    "kind": "arxiv",
    "version": 1
  }
}