Pith Number

pith:H4JRQWOD

pith:2021:H4JRQWOD4GG66ZMS7QXNFKSMU6

not attested not anchored not stored refs pending

Safe Nonlinear Control Using Robust Neural Lyapunov-Barrier Functions

Charles Dawson, Chuchu Fan, Sicun Gao, Zengyi Qin

arxiv:2109.06697 v2 · 2021-09-14 · eess.SY · cs.RO · 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{H4JRQWOD4GG66ZMS7QXNFKSMU6}

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	2026-07-05T03:20:37.626810Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3f131859c3e18def6592fc2ed2aa4ca79efa9700aa42d27a20638d03b90eaa2a

Aliases

arxiv: 2109.06697 · arxiv_version: 2109.06697v2 · doi: 10.48550/arxiv.2109.06697 · pith_short_12: H4JRQWOD4GG6 · pith_short_16: H4JRQWOD4GG66ZMS · pith_short_8: H4JRQWOD

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/H4JRQWOD4GG66ZMS7QXNFKSMU6 \
  | 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: 3f131859c3e18def6592fc2ed2aa4ca79efa9700aa42d27a20638d03b90eaa2a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d938b477c666c9a94b570f59f88e9c99514edaf5c202f37908dc1861c894d84",
    "cross_cats_sorted": [
      "cs.RO",
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2021-09-14T13:55:25Z",
    "title_canon_sha256": "28e9d4f4b02aa0c154e97e3a0d6ef479b600bc7eaf4ea82809c48b432e270925"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2109.06697",
    "kind": "arxiv",
    "version": 2
  }
}