Pith Number

pith:6VM3OJKD

pith:2024:6VM3OJKDRRXBVMKEPB2SCTHU6G

not attested not anchored not stored refs pending

Compact Optimality Verification for Optimization Proxies

Haoruo Zhao, Mathieu Tanneau, Pascal Van Hentenryck, Wenbo Chen

arxiv:2405.21023 v1 · 2024-05-31 · math.OC · cs.AI

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{6VM3OJKDRRXBVMKEPB2SCTHU6G}

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	2026-07-05T08:25:44.897685Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f559b725438c6e1ab1447875214cf4f1b4233ec3a9c84ca782c0189c30c0596c

Aliases

arxiv: 2405.21023 · arxiv_version: 2405.21023v1 · doi: 10.48550/arxiv.2405.21023 · pith_short_12: 6VM3OJKDRRXB · pith_short_16: 6VM3OJKDRRXBVMKE · pith_short_8: 6VM3OJKD

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/6VM3OJKDRRXBVMKEPB2SCTHU6G \
  | 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: f559b725438c6e1ab1447875214cf4f1b4233ec3a9c84ca782c0189c30c0596c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5febc08aa46282d8c17049b7333745bb50b0a794a4b460ff30867dddb9e31698",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-05-31T17:11:39Z",
    "title_canon_sha256": "fffdcb0e786a20360791b9f43b7946717eece0b7976011d1722f77c822ea5d3f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.21023",
    "kind": "arxiv",
    "version": 1
  }
}