Pith Number

pith:3B6ZX5OS

pith:2013:3B6ZX5OSHFIDMQNRHPBRRAGD3O

not attested not anchored not stored refs pending

Infinite horizon control and minimax observer design for linear DAEs

Mihaly Petreczky, Sergiy Zhuk

arxiv:1309.1235 v2 · 2013-09-05 · 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{3B6ZX5OSHFIDMQNRHPBRRAGD3O}

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	2026-05-18T03:13:23.200030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d87d9bf5d239503641b13bc31880c3db8330aac8132eeaff97c84d6c1ec1538b

Aliases

arxiv: 1309.1235 · arxiv_version: 1309.1235v2 · doi: 10.48550/arxiv.1309.1235 · pith_short_12: 3B6ZX5OSHFID · pith_short_16: 3B6ZX5OSHFIDMQNR · pith_short_8: 3B6ZX5OS

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/3B6ZX5OSHFIDMQNRHPBRRAGD3O \
  | 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: d87d9bf5d239503641b13bc31880c3db8330aac8132eeaff97c84d6c1ec1538b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5278ace2bbaeab48d8377edb5ad0926939ab9a157104cc5617034bc0309df46a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2013-09-05T05:28:30Z",
    "title_canon_sha256": "cd67b2e3f3b16a06f2c7bf49dcfea950fa3f6f54ed9af684f7647b93c3378eb9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.1235",
    "kind": "arxiv",
    "version": 2
  }
}