Pith Number

pith:IPRMZRAZ

pith:2013:IPRMZRAZH5GNGW3CAXHQLVD4BF

not attested not anchored not stored refs pending

Exponential Stability of Homogeneous Positive Systems of Degree One With Time-Varying Delays

Hamid Reza Feyzmahdavian, Mikael Johansson, Themistoklis Charalambous

arxiv:1311.2897 v1 · 2013-11-12 · 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{IPRMZRAZH5GNGW3CAXHQLVD4BF}

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	2026-05-18T00:57:52.551957Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43e2ccc4193f4cd35b6205cf05d47c095f80e13b39484c63d373cd5807380934

Aliases

arxiv: 1311.2897 · arxiv_version: 1311.2897v1 · doi: 10.48550/arxiv.1311.2897 · pith_short_12: IPRMZRAZH5GN · pith_short_16: IPRMZRAZH5GNGW3C · pith_short_8: IPRMZRAZ

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/IPRMZRAZH5GNGW3CAXHQLVD4BF \
  | 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: 43e2ccc4193f4cd35b6205cf05d47c095f80e13b39484c63d373cd5807380934

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6ffcb8bb9d5d82ebde73aae981a673a0198b2bafa840b964fca16de9296be5e6",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2013-11-12T19:52:01Z",
    "title_canon_sha256": "6c723d606ce5cdf2b72145690d1d0d7f4538e7b899c4d7851373e46ae8a69773"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.2897",
    "kind": "arxiv",
    "version": 1
  }
}