Pith Number

pith:IPFDKHAK

pith:2024:IPFDKHAKHFGRGG2QW3NA5NAN3U

not attested not anchored not stored refs pending

$H_2$-Optimal Estimation of Linear Delayed and PDE Systems

Danio Braghini, Matthew M. Peet, Sachin Shivakumar

arxiv:2411.01793 v2 · 2024-11-04 · 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{IPFDKHAKHFGRGG2QW3NA5NAN3U}

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	2026-05-20T00:02:03.225795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43ca351c0a394d131b50b6da0eb40ddd131bdc3328f4acc9e7e5539b34a46af3

Aliases

arxiv: 2411.01793 · arxiv_version: 2411.01793v2 · doi: 10.48550/arxiv.2411.01793 · pith_short_12: IPFDKHAKHFGR · pith_short_16: IPFDKHAKHFGRGG2Q · pith_short_8: IPFDKHAK

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/IPFDKHAKHFGRGG2QW3NA5NAN3U \
  | 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: 43ca351c0a394d131b50b6da0eb40ddd131bdc3328f4acc9e7e5539b34a46af3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c033cd28e326e013d5f43477785b0ac3124a3f01f899d5bddf075536145b7bf7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2024-11-04T04:31:03Z",
    "title_canon_sha256": "54f400ad3b8ac53ef18a4728df688de660a54ad3d91dfeb9720f089be35b9088"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2411.01793",
    "kind": "arxiv",
    "version": 2
  }
}