Pith Number

pith:2KLRZI6W

pith:2015:2KLRZI6W4RWLJIPIJL7AYCGVTK

not attested not anchored not stored refs pending

Extended Formulations in Mixed Integer Conic Quadratic Programming

Iain Dunning, Joey Huchette, Juan Pablo Vielma, Miles Lubin

arxiv:1505.07857 v2 · 2015-05-28 · 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{2KLRZI6W4RWLJIPIJL7AYCGVTK}

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	2026-05-18T00:46:08.472417Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d2971ca3d6e46cb4a1e84afe0c08d59a8bd1bee177bce63d650593394759a4d8

Aliases

arxiv: 1505.07857 · arxiv_version: 1505.07857v2 · doi: 10.48550/arxiv.1505.07857 · pith_short_12: 2KLRZI6W4RWL · pith_short_16: 2KLRZI6W4RWLJIPI · pith_short_8: 2KLRZI6W

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/2KLRZI6W4RWLJIPIJL7AYCGVTK \
  | 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: d2971ca3d6e46cb4a1e84afe0c08d59a8bd1bee177bce63d650593394759a4d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c82583528405c541dea8e8667293308ba1d4206fa317e5e21834d4e8cf3f766c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-05-28T20:44:35Z",
    "title_canon_sha256": "badd4f5557952c94108d0fc7ec5e8b18338b58fd77e2c4117a2e387bf45cb649"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.07857",
    "kind": "arxiv",
    "version": 2
  }
}