Pith Number

pith:BHXX6DTW

pith:2012:BHXX6DTWHYCR3BWDO5HUNVCUNR

not attested not anchored not stored refs pending

Formal Abstraction of Linear Systems via Polyhedral Lyapunov Functions

Calin Belta, Mircea Lazar, Xuchu Ding

arxiv:1203.6408 v1 · 2012-03-29 · cs.SY · 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{BHXX6DTWHYCR3BWDO5HUNVCUNR}

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	2026-05-18T03:59:02.579750Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

09ef7f0e763e051d86c3774f46d4546c48cba58e8ac30d49691c0375564e291f

Aliases

arxiv: 1203.6408 · arxiv_version: 1203.6408v1 · doi: 10.48550/arxiv.1203.6408 · pith_short_12: BHXX6DTWHYCR · pith_short_16: BHXX6DTWHYCR3BWD · pith_short_8: BHXX6DTW

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/BHXX6DTWHYCR3BWDO5HUNVCUNR \
  | 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: 09ef7f0e763e051d86c3774f46d4546c48cba58e8ac30d49691c0375564e291f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6a90949502eb4c7149792a5923781f8c4e0bfbddd848a45fd80030bf5c234297",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2012-03-29T00:26:55Z",
    "title_canon_sha256": "e172f542e52c436597d8ff0eb53a81d22611f4a1e3985a63bb5aa2e01ad8def0"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.6408",
    "kind": "arxiv",
    "version": 1
  }
}