Pith Number

pith:PATR4YG4

pith:2020:PATR4YG4OJ6C6VQDEQHZM7OSMT

not attested not anchored not stored refs pending

Improving Linear State-Space Models with Additional Iterations

Ahmet Arda Ozdemir, Lennart Ljung, Mladen Gibanica, Rajiv Singh, Suat Gumussoy, Tomas McKelvey

arxiv:2003.06304 v1 · 2020-03-13 · eess.SY · 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{PATR4YG4OJ6C6VQDEQHZM7OSMT}

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	2026-07-05T00:47:45.723028Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78271e60dc727c2f5603240f967dd264d68af9555e9229a8401d0d662c737158

Aliases

arxiv: 2003.06304 · arxiv_version: 2003.06304v1 · doi: 10.48550/arxiv.2003.06304 · pith_short_12: PATR4YG4OJ6C · pith_short_16: PATR4YG4OJ6C6VQD · pith_short_8: PATR4YG4

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/PATR4YG4OJ6C6VQDEQHZM7OSMT \
  | 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: 78271e60dc727c2f5603240f967dd264d68af9555e9229a8401d0d662c737158

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f5d3e8b546e1f117d98e5426b3b1779c7a2cb773c88120b6ccaf2ef2627dfa67",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SY",
    "submitted_at": "2020-03-13T14:02:49Z",
    "title_canon_sha256": "a44a749bc1d02038363f30c856d2d58cfd9767058255eeef4eb8903c4e3d4d57"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.06304",
    "kind": "arxiv",
    "version": 1
  }
}