Pith Number

pith:IESNUFXF

pith:2019:IESNUFXFVOHMJK6LICXFUHU2C6

not attested not anchored not stored refs pending

A sufficient optimality condition for delayed state-linear optimal control problems

Ana P. Lemos-Paiao, Cristiana J. Silva, Delfim F. M. Torres

arxiv:1901.04340 v1 · 2019-01-14 · 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{IESNUFXFVOHMJK6LICXFUHU2C6}

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	2026-05-17T23:49:39.604819Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4124da16e5ab8ec4abcb40ae5a1e9a17a78350e93119d26c2ddcdc739f7dd138

Aliases

arxiv: 1901.04340 · arxiv_version: 1901.04340v1 · doi: 10.48550/arxiv.1901.04340 · pith_short_12: IESNUFXFVOHM · pith_short_16: IESNUFXFVOHMJK6L · pith_short_8: IESNUFXF

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/IESNUFXFVOHMJK6LICXFUHU2C6 \
  | 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: 4124da16e5ab8ec4abcb40ae5a1e9a17a78350e93119d26c2ddcdc739f7dd138

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d563684c1ab9c0a0038ee194f88ce8f1bae0d00b2308296538f39cb6f97302a1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-01-14T14:18:29Z",
    "title_canon_sha256": "097304e7a39b77a7fef6270dfaa56502a774ca72e0b59f2e6fd7a967019d93bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.04340",
    "kind": "arxiv",
    "version": 1
  }
}