Pith Number

pith:5ZMTJ7OW

pith:2014:5ZMTJ7OWYZUYHZ5TH4HIZBIGGY

not attested not anchored not stored refs pending

Dilations, Linear Matrix Inequalities, the Matrix Cube Problem and Beta Distributions

Igor Klep, J. William Helton, Markus Schweighofer, Scott A. McCullough

arxiv:1412.1481 v4 · 2014-12-03 · math.FA · math.OC · math.PR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5ZMTJ7OWYZUYHZ5TH4HIZBIGGY}

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	2026-05-17T23:44:23.304057Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ee5934fdd6c66983e7b33f0e8c8506360a2a615a949eeeb9eb76673943b3f50d

Aliases

arxiv: 1412.1481 · arxiv_version: 1412.1481v4 · doi: 10.48550/arxiv.1412.1481 · pith_short_12: 5ZMTJ7OWYZUY · pith_short_16: 5ZMTJ7OWYZUYHZ5T · pith_short_8: 5ZMTJ7OW

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/5ZMTJ7OWYZUYHZ5TH4HIZBIGGY \
  | 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: ee5934fdd6c66983e7b33f0e8c8506360a2a615a949eeeb9eb76673943b3f50d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f2270b969e504f77ff11be6ca662f7a2d59035071b8c4a4c92d1c7a08725a1fa",
    "cross_cats_sorted": [
      "math.OC",
      "math.PR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.FA",
    "submitted_at": "2014-12-03T21:00:20Z",
    "title_canon_sha256": "56592168c74420e0703a3d121a28796449ae27f83d68f5a36ed35209b625ca93"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1412.1481",
    "kind": "arxiv",
    "version": 4
  }
}