Pith Number

pith:ENPLJISW

pith:2019:ENPLJISWKN3YTAUHQLJ4WOUOCX

not attested not anchored not stored refs pending

Structured real radius of controllability for higher order LTI systems

Subashish Datta, Swanand Khare, Tanay Saha

arxiv:1905.05977 v1 · 2019-05-15 · 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{ENPLJISWKN3YTAUHQLJ4WOUOCX}

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	2026-05-17T23:46:07.907722Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

235eb4a256537789828782d3cb3a8e15c4b1291c94efd7c96c0a5cf202e9ebe2

Aliases

arxiv: 1905.05977 · arxiv_version: 1905.05977v1 · doi: 10.48550/arxiv.1905.05977 · pith_short_12: ENPLJISWKN3Y · pith_short_16: ENPLJISWKN3YTAUH · pith_short_8: ENPLJISW

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/ENPLJISWKN3YTAUHQLJ4WOUOCX \
  | 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: 235eb4a256537789828782d3cb3a8e15c4b1291c94efd7c96c0a5cf202e9ebe2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7dab8864f21fde4a7135dec39b3e30193a5fdf90c572d3315754e92f373050a5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2019-05-15T07:04:19Z",
    "title_canon_sha256": "dfeed0ca36a74754525ef45a9c24942b35fd910f10858be74ffdf262fe02c631"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.05977",
    "kind": "arxiv",
    "version": 1
  }
}