Pith Number

pith:NLPDGSKI

pith:2016:NLPDGSKIGNWLT7R2XB2RAIM2FP

not attested not anchored not stored refs pending

A New Architecture for Optimization Modeling Frameworks

Felix Heide, Matt Wytock, Stephen Boyd, Steven Diamond

arxiv:1609.03488 v2 · 2016-09-12 · 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{NLPDGSKIGNWLT7R2XB2RAIM2FP}

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	2026-05-18T01:02:36.717141Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6ade334948336cb9fe3ab87510219a2bf6748c1cfd518858a4845951f92468fe

Aliases

arxiv: 1609.03488 · arxiv_version: 1609.03488v2 · doi: 10.48550/arxiv.1609.03488 · pith_short_12: NLPDGSKIGNWL · pith_short_16: NLPDGSKIGNWLT7R2 · pith_short_8: NLPDGSKI

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/NLPDGSKIGNWLT7R2XB2RAIM2FP \
  | 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: 6ade334948336cb9fe3ab87510219a2bf6748c1cfd518858a4845951f92468fe

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cff49a2d1f2a45388aa62a0db60737f2e3000fc897d50c03ce4c82ba9f293713",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2016-09-12T17:14:43Z",
    "title_canon_sha256": "de7084896b0742e33db8eefd79d994d8b8548ac0de7bfcd33a27222141b8d4ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1609.03488",
    "kind": "arxiv",
    "version": 2
  }
}