Pith Number

pith:MIS4CKDC

pith:2013:MIS4CKDCH7LV4YK7LBHZXFDF25

not attested not anchored not stored refs pending

A subalgebra of the Hardy algebra relevant in control theory and its algebraic-analytic properties

Amol Sasane, Marie Frentz

arxiv:1305.1452 v1 · 2013-05-07 · math.FA · math.OC · math.RA

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MIS4CKDCH7LV4YK7LBHZXFDF25}

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	2026-05-18T03:26:21.718016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6225c128623fd75e615f584f9b9465d75722724e8bd61ad3bdd3a6ec00f73f36

Aliases

arxiv: 1305.1452 · arxiv_version: 1305.1452v1 · doi: 10.48550/arxiv.1305.1452 · pith_short_12: MIS4CKDCH7LV · pith_short_16: MIS4CKDCH7LV4YK7 · pith_short_8: MIS4CKDC

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/MIS4CKDCH7LV4YK7LBHZXFDF25 \
  | 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: 6225c128623fd75e615f584f9b9465d75722724e8bd61ad3bdd3a6ec00f73f36

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51c218d31289aec2b60b89a5716e664b8052be10af3fac2edd496733403deb9",
    "cross_cats_sorted": [
      "math.OC",
      "math.RA"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2013-05-07T09:50:56Z",
    "title_canon_sha256": "9bf96d0240b2fd36e5340362a99cc7a9b45e522297da7909582604d95d62532f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1305.1452",
    "kind": "arxiv",
    "version": 1
  }
}