Pith Number

pith:5VRZAJZZ

pith:2015:5VRZAJZZQZS6F4MLX5GH6VFPQV

not attested not anchored not stored refs pending

Sparse Linear-Quadratic Feedback Design Using Affine Approximation

MirSaleh Bahavarnia

arxiv:1507.08592 v1 · 2015-07-30 · 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{5VRZAJZZQZS6F4MLX5GH6VFPQV}

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	2026-05-18T01:36:06.068336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed639027398665e2f18bbf4c7f54af854ec4f4b7dab203f24125ffe020f0df9f

Aliases

arxiv: 1507.08592 · arxiv_version: 1507.08592v1 · doi: 10.48550/arxiv.1507.08592 · pith_short_12: 5VRZAJZZQZS6 · pith_short_16: 5VRZAJZZQZS6F4ML · pith_short_8: 5VRZAJZZ

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/5VRZAJZZQZS6F4MLX5GH6VFPQV \
  | 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: ed639027398665e2f18bbf4c7f54af854ec4f4b7dab203f24125ffe020f0df9f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b837001a85ccba3a807a3068c06cc075bb374d7fc8431a5f80f6e74caff1c5cc",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2015-07-30T17:37:09Z",
    "title_canon_sha256": "7c15ae7e2fac8220ab826440521e9d8bcf753c77941e00b583a459ff102b9d19"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.08592",
    "kind": "arxiv",
    "version": 1
  }
}