Pith Number

pith:WGP2XFCB

pith:2018:WGP2XFCBEK6ITXVWSYONVA35XK

not attested not anchored not stored refs pending

Optimal Actuator Design for Semi-linear Systems

Kirsten A. Morris, M. Sajjad Edalatzadeh

arxiv:1802.05807 v3 · 2018-02-16 · 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{WGP2XFCBEK6ITXVWSYONVA35XK}

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	2026-05-18T00:02:45.219445Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b19fab944122bc89deb6961cda837dbaa59fb6045aa8059954e159d0d45936d8

Aliases

arxiv: 1802.05807 · arxiv_version: 1802.05807v3 · doi: 10.48550/arxiv.1802.05807 · pith_short_12: WGP2XFCBEK6I · pith_short_16: WGP2XFCBEK6ITXVW · pith_short_8: WGP2XFCB

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/WGP2XFCBEK6ITXVWSYONVA35XK \
  | 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: b19fab944122bc89deb6961cda837dbaa59fb6045aa8059954e159d0d45936d8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "81423ddb42cd01fc4936cdc39486f3ad41646f6b967fe4bcadbc3ac459f261fd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2018-02-16T00:18:04Z",
    "title_canon_sha256": "0e8294fcca858f2503db336a503611e118440757b12277e693e3a8803aa05268"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.05807",
    "kind": "arxiv",
    "version": 3
  }
}