Pith Number

pith:OLS7WLHX

pith:2013:OLS7WLHXOGTQ7NZXOWFUXGZMN5

not attested not anchored not stored refs pending

Robust Smoothing for Discrete-Time Uncertain Nonlinear Systems

Abhijit G. Kallapur, Ian R. Petersen

arxiv:1303.6421 v1 · 2013-03-26 · 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{OLS7WLHXOGTQ7NZXOWFUXGZMN5}

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	2026-05-18T03:29:49.487562Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

72e5fb2cf771a70fb737758b4b9b2c6f62c53169cc76119adfb0ff12e5a46a0e

Aliases

arxiv: 1303.6421 · arxiv_version: 1303.6421v1 · doi: 10.48550/arxiv.1303.6421 · pith_short_12: OLS7WLHXOGTQ · pith_short_16: OLS7WLHXOGTQ7NZX · pith_short_8: OLS7WLHX

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/OLS7WLHXOGTQ7NZXOWFUXGZMN5 \
  | 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: 72e5fb2cf771a70fb737758b4b9b2c6f62c53169cc76119adfb0ff12e5a46a0e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "647e951d5344d71f73f51fdb7de391a489517cf76127c99044723c60bb5e74cd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-03-26T10:08:23Z",
    "title_canon_sha256": "395c44384e23c038d40fbc30b758db20a9c09a63342bf2042e283fe06002f676"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.6421",
    "kind": "arxiv",
    "version": 1
  }
}