Pith Number

pith:U75AJ2Q4

pith:2013:U75AJ2Q4AAANOQNZYPI5X73SNO

not attested not anchored not stored refs pending

Sparse Identification of Posynomial Models

Carlo Novara, Giuseppe C. Calafiore, Laurent El Ghaoui

arxiv:1311.4362 v2 · 2013-11-18 · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{U75AJ2Q4AAANOQNZYPI5X73SNO}

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	2026-05-18T02:56:20.975356Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a7fa04ea1c0000d741b9c3d1dbff726bb3edb3095032e65196b5e4f1ca9a148e

Aliases

arxiv: 1311.4362 · arxiv_version: 1311.4362v2 · doi: 10.48550/arxiv.1311.4362 · pith_short_12: U75AJ2Q4AAAN · pith_short_16: U75AJ2Q4AAANOQNZ · pith_short_8: U75AJ2Q4

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/U75AJ2Q4AAANOQNZYPI5X73SNO \
  | 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: a7fa04ea1c0000d741b9c3d1dbff726bb3edb3095032e65196b5e4f1ca9a148e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ad2cbed16ae8b25b7f24942be3794364831051d107124679f64c5c94c8a988a9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-11-18T13:07:45Z",
    "title_canon_sha256": "90693fc887bb0ca2e5cfaf8503af69f8f075079d37e37358b03e4430d8927108"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.4362",
    "kind": "arxiv",
    "version": 2
  }
}