Pith Number

pith:NX3YEA62

pith:2018:NX3YEA62LJN6STP66IUUSX4SC2

not attested not anchored not stored refs pending

Extremum Seeking Optimal Controls of Unknown Systems

Alexander Scheinker, David Scheinker

arxiv:1808.05181 v1 · 2018-08-15 · 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{NX3YEA62LJN6STP66IUUSX4SC2}

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	2026-05-18T00:08:01.393642Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6df78203da5a5be94dfef229495f9216a58c1ae5d7c5380c8bd60b312d37b2f8

Aliases

arxiv: 1808.05181 · arxiv_version: 1808.05181v1 · doi: 10.48550/arxiv.1808.05181 · pith_short_12: NX3YEA62LJN6 · pith_short_16: NX3YEA62LJN6STP6 · pith_short_8: NX3YEA62

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/NX3YEA62LJN6STP66IUUSX4SC2 \
  | 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: 6df78203da5a5be94dfef229495f9216a58c1ae5d7c5380c8bd60b312d37b2f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bd3945a4e41c9982f9b5e129be67fe2bb4252a7f96b1fd055cc86a6cebbbc0db",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-08-15T16:54:54Z",
    "title_canon_sha256": "af0ee6664387103d3df1b150d4bb9f89c84988678dc86c2c40e43cfdf522fa8b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.05181",
    "kind": "arxiv",
    "version": 1
  }
}