Pith Number

pith:CIE7H5E2

pith:2018:CIE7H5E2TCJYVCTFQCPCQQFYX6

not attested not anchored not stored refs pending

On the linear static output feedback problem: the annihilating polynomial approach

Hariharan Narayanan, H.Narayanan

arxiv:1810.11609 v2 · 2018-10-27 · eess.SP · 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{CIE7H5E2TCJYVCTFQCPCQQFYX6}

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	2026-05-18T00:01:57.057423Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1209f3f49a98938a8a65809e2840b8bfbefa5ed7edaf60ed74da24afb2f1ff4d

Aliases

arxiv: 1810.11609 · arxiv_version: 1810.11609v2 · doi: 10.48550/arxiv.1810.11609 · pith_short_12: CIE7H5E2TCJY · pith_short_16: CIE7H5E2TCJYVCTF · pith_short_8: CIE7H5E2

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/CIE7H5E2TCJYVCTFQCPCQQFYX6 \
  | 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: 1209f3f49a98938a8a65809e2840b8bfbefa5ed7edaf60ed74da24afb2f1ff4d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d5be5d9241b0f9463864a1ea9e3108cc3f9f1efba7a89bafaf0730998c651ee8",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2018-10-27T07:05:45Z",
    "title_canon_sha256": "94ccef0b200fcf8371fe9c2e5821cd294b51fbd1ab4002153c7b9054219acf2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.11609",
    "kind": "arxiv",
    "version": 2
  }
}