Pith Number

pith:5SJRDVDH

pith:2019:5SJRDVDHYTZ35JJKS54AP7M3O5

not attested not anchored not stored refs pending

Conflict-Driven Heuristics for Mixed Integer Programming

Ambros Gleixner, Jakob Witzig

arxiv:1902.02615 v1 · 2019-02-07 · 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{5SJRDVDHYTZ35JJKS54AP7M3O5}

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	2026-05-17T23:54:32.715093Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec9311d467c4f3bea52a977807fd9b7749faeb73c5912d1b01aaa0f54948e6fd

Aliases

arxiv: 1902.02615 · arxiv_version: 1902.02615v1 · doi: 10.48550/arxiv.1902.02615 · pith_short_12: 5SJRDVDHYTZ3 · pith_short_16: 5SJRDVDHYTZ35JJK · pith_short_8: 5SJRDVDH

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/5SJRDVDHYTZ35JJKS54AP7M3O5 \
  | 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: ec9311d467c4f3bea52a977807fd9b7749faeb73c5912d1b01aaa0f54948e6fd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "aff40ca7f46e31e298cea21db1c402ccb3e24b7622762562d9a0992d6e071df0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-02-07T13:32:54Z",
    "title_canon_sha256": "cd54a1748dadd1e1930d4a05826aa8e65c1c91e5f5ca85d13f4abdc10ad9eb55"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.02615",
    "kind": "arxiv",
    "version": 1
  }
}