Pith Number

pith:XQMS6BJJ

pith:2011:XQMS6BJJOLQ6UY7S5XCDSQIASC

not attested not anchored not stored refs pending

A New Stability Result for the Feedback Interconnection of Negative Imaginary Systems with a Pole at the Origin

Abhijit G. Kallapur, Alexander Lanzon, Ian R. Petersen, Mohamed A. Mabrok

arxiv:1107.4255 v1 · 2011-07-21 · math.OC · 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{XQMS6BJJOLQ6UY7S5XCDSQIASC}

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	2026-05-18T00:58:18.825784Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bc192f052972e1ea63f2edc439410090a6dcf35f20b58d63a1d303b55f9fbe99

Aliases

arxiv: 1107.4255 · arxiv_version: 1107.4255v1 · doi: 10.48550/arxiv.1107.4255 · pith_short_12: XQMS6BJJOLQ6 · pith_short_16: XQMS6BJJOLQ6UY7S · pith_short_8: XQMS6BJJ

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/XQMS6BJJOLQ6UY7S5XCDSQIASC \
  | 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: bc192f052972e1ea63f2edc439410090a6dcf35f20b58d63a1d303b55f9fbe99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "57c7690e4a93a222fdb53743b79cccbee8b820e79466f5ecbbf473827f3a9842",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2011-07-21T12:46:58Z",
    "title_canon_sha256": "5ac1a65a13ddb1a0d7b7885ef4e8b2333f50898568300745931b74d3cceba468"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.4255",
    "kind": "arxiv",
    "version": 1
  }
}