Pith Number

pith:FRL7HZHX

pith:2015:FRL7HZHXJACTSEZH7GUEZAQC2U

not attested not anchored not stored refs pending

Primal robustness and semidefinite cones

Ather Gattami, John C. Doyle, Seungil You

arxiv:1503.07561 v1 · 2015-03-25 · cs.SY · 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{FRL7HZHXJACTSEZH7GUEZAQC2U}

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	2026-05-18T02:20:20.410802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c57f3e4f74805391327f9a84c8202d5162888592490fdc39579bd4c51d6effa

Aliases

arxiv: 1503.07561 · arxiv_version: 1503.07561v1 · doi: 10.48550/arxiv.1503.07561 · pith_short_12: FRL7HZHXJACT · pith_short_16: FRL7HZHXJACTSEZH · pith_short_8: FRL7HZHX

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/FRL7HZHXJACTSEZH7GUEZAQC2U \
  | 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: 2c57f3e4f74805391327f9a84c8202d5162888592490fdc39579bd4c51d6effa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11bda0c7a2bb1159756b2e2fa0032cf50c1904bb4ae76ff9c70a4963028edf94",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2015-03-25T21:29:50Z",
    "title_canon_sha256": "d70204a22a5e0b92e881dc674482eb07ade48725cf1b7fc49fc61e77e7fef661"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07561",
    "kind": "arxiv",
    "version": 1
  }
}