Pith Number

pith:32IZ22MF

pith:2011:32IZ22MFTZ6ALWQBE6DGG3YKQF

not attested not anchored not stored refs pending

A convex formulation of strict anisotropic norm bounded real lemma

Alexander P. Kurdyukov, Michael M. Tchaikovsky, Victor N. Timin

arxiv:1108.5140 v5 · 2011-08-25 · 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{32IZ22MFTZ6ALWQBE6DGG3YKQF}

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	2026-05-18T02:21:37.067756Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de919d69859e7c05da012786636f0a8148d9c27611a87a68d8b5eda46eaab754

Aliases

arxiv: 1108.5140 · arxiv_version: 1108.5140v5 · doi: 10.48550/arxiv.1108.5140 · pith_short_12: 32IZ22MFTZ6A · pith_short_16: 32IZ22MFTZ6ALWQB · pith_short_8: 32IZ22MF

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/32IZ22MFTZ6ALWQBE6DGG3YKQF \
  | 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: de919d69859e7c05da012786636f0a8148d9c27611a87a68d8b5eda46eaab754

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1013b3873685b5f8c169d88a186272e29a3912d94204e296a0ec3d91e96abcd8",
    "cross_cats_sorted": [
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2011-08-25T17:45:17Z",
    "title_canon_sha256": "dbb80f73d5455279d89013829cd34b7db4cf1ed249672a34e47c82b04252984b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1108.5140",
    "kind": "arxiv",
    "version": 5
  }
}