Pith Number

pith:UDAXGYYG

pith:2019:UDAXGYYG4GY23XKVETUNWVV57F

not attested not anchored not stored refs pending

Folding Bilateral Backstepping Output-Feedback Control Design For an Unstable Parabolic PDE

Miroslav Krstic, Rafael Vazquez, Stephen Chen

arxiv:1906.05434 v2 · 2019-06-13 · 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{UDAXGYYG4GY23XKVETUNWVV57F}

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	2026-07-04T23:59:07.729127Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a0c1736306e1b1addd5524e8db56bdf940245613c45cd37c150d499ccdb95f32

Aliases

arxiv: 1906.05434 · arxiv_version: 1906.05434v2 · doi: 10.48550/arxiv.1906.05434 · pith_short_12: UDAXGYYG4GY2 · pith_short_16: UDAXGYYG4GY23XKV · pith_short_8: UDAXGYYG

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/UDAXGYYG4GY23XKVETUNWVV57F \
  | 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: a0c1736306e1b1addd5524e8db56bdf940245613c45cd37c150d499ccdb95f32

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2294b8aa937a13752bac9d1d6ceb46beb09aa9180cead0037d00c326ee1f48d8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-06-13T00:34:55Z",
    "title_canon_sha256": "14a94fb90df22f0eca0cf3de310287e5820b024a4cca1db51e7c7d9df6120b64"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.05434",
    "kind": "arxiv",
    "version": 2
  }
}