Pith Number

pith:66TZKBEX

pith:2018:66TZKBEX475IYX6BQ4R3B5Y67B

not attested not anchored not stored refs pending

On the Real Stability Radius of Sparse Systems

Fabio Pasqualetti, Vaibhav Katewa

arxiv:1810.10578 v1 · 2018-10-24 · 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{66TZKBEX475IYX6BQ4R3B5Y67B}

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	2026-05-18T00:02:20.110772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7a7950497e7fa8c5fc18723b0f71ef84443811863ad5788184d0754b87e5fbf

Aliases

arxiv: 1810.10578 · arxiv_version: 1810.10578v1 · doi: 10.48550/arxiv.1810.10578 · pith_short_12: 66TZKBEX475I · pith_short_16: 66TZKBEX475IYX6B · pith_short_8: 66TZKBEX

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/66TZKBEX475IYX6BQ4R3B5Y67B \
  | 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: f7a7950497e7fa8c5fc18723b0f71ef84443811863ad5788184d0754b87e5fbf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "26555557ec808b5ac8ad96373b23246e766605ba0c8c5f63ca9555c7463089e3",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2018-10-24T18:59:37Z",
    "title_canon_sha256": "ee11ce16bdcc0338e3b039892d161d78d0ecf95d95774cf423b296bfde3cf694"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.10578",
    "kind": "arxiv",
    "version": 1
  }
}