Pith Number

pith:2WFN3VBG

pith:2026:2WFN3VBGIDC7M2AQPDJ4JCIWRJ

not attested not anchored not stored refs pending

Safe Stabilizing Linear Feedback: Necessary and Sufficient Conditions, Optimality, and Margins

Aaron D. Ames, Pio Ong, Pol Mestres, Shima Sadat Mousavi

arxiv:2607.21794 v1 · 2026-07-23 · 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{2WFN3VBGIDC7M2AQPDJ4JCIWRJ}

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	2026-07-27T00:20:21.349881Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d58addd42640c5f6681078d3c489168a67d36fa4a72f7290101912ca0a07a368

Aliases

arxiv: 2607.21794 · arxiv_version: 2607.21794v1 · doi: 10.48550/arxiv.2607.21794 · pith_short_12: 2WFN3VBGIDC7 · pith_short_16: 2WFN3VBGIDC7M2AQ · pith_short_8: 2WFN3VBG

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/2WFN3VBGIDC7M2AQPDJ4JCIWRJ \
  | 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: d58addd42640c5f6681078d3c489168a67d36fa4a72f7290101912ca0a07a368

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "18d3c0159d8de547f83a45dc93143f98129eb0f2a9a5c592314170b1ec2dae8e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2026-07-23T20:21:17Z",
    "title_canon_sha256": "bc5d356cc57ed6e9448a4929d5428bbdfa039dc54014aa99dcfa3493111d39a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21794",
    "kind": "arxiv",
    "version": 1
  }
}