Pith Number

pith:OEALS7JK

pith:2012:OEALS7JKTCQXRLVEHRNMBDXQHX

not attested not anchored not stored refs pending

Condition Numbers of Indefinite Rank 2 Ghost Wishart Matrices

Alan Edelman, Ramis Movassagh

arxiv:1207.3062 v1 · 2012-07-12 · math.ST · math.PR · quant-ph · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OEALS7JKTCQXRLVEHRNMBDXQHX}

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	2026-05-18T01:24:09.102787Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7100b97d2a98a178aea43c5ac08ef03dff7414ca27ef2c50a34fbeadf48ef6dd

Aliases

arxiv: 1207.3062 · arxiv_version: 1207.3062v1 · doi: 10.48550/arxiv.1207.3062 · pith_short_12: OEALS7JKTCQX · pith_short_16: OEALS7JKTCQXRLVE · pith_short_8: OEALS7JK

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/OEALS7JKTCQXRLVEHRNMBDXQHX \
  | 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: 7100b97d2a98a178aea43c5ac08ef03dff7414ca27ef2c50a34fbeadf48ef6dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d4f8cacf9962481b80c0b80faa65ab352b6058ef2149072685f4c0eec1e2101e",
    "cross_cats_sorted": [
      "math.PR",
      "quant-ph",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2012-07-12T18:58:28Z",
    "title_canon_sha256": "00f0d354bfe608396d82fe5d3f12b52e98cfddad9e07965a5bec836da42f978e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.3062",
    "kind": "arxiv",
    "version": 1
  }
}