Pith Number

pith:AQ5GMCCV

pith:2017:AQ5GMCCVHFSYWE2DQGM6AHLXBB

not attested not anchored not stored refs pending

A note on conditional covariance matrices for elliptical distributions

Marcin Pitera, Piotr Jaworski

arxiv:1703.00918 v1 · 2017-03-02 · math.PR · math.ST · q-fin.RM · 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{AQ5GMCCVHFSYWE2DQGM6AHLXBB}

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	2026-05-18T00:49:37.567169Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

043a66085539658b13438199e01d770845743523829a7c176856c4e521f222b7

Aliases

arxiv: 1703.00918 · arxiv_version: 1703.00918v1 · doi: 10.48550/arxiv.1703.00918 · pith_short_12: AQ5GMCCVHFSY · pith_short_16: AQ5GMCCVHFSYWE2D · pith_short_8: AQ5GMCCV

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/AQ5GMCCVHFSYWE2DQGM6AHLXBB \
  | 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: 043a66085539658b13438199e01d770845743523829a7c176856c4e521f222b7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "caf601702b23683f8efd325f0a769cbf8d8875697c4109699385f91d87861ab9",
    "cross_cats_sorted": [
      "math.ST",
      "q-fin.RM",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.PR",
    "submitted_at": "2017-03-02T19:05:00Z",
    "title_canon_sha256": "c0556d835ed2bbf3478cfc910c33d0068096462bb87c78e08b455d133daae672"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1703.00918",
    "kind": "arxiv",
    "version": 1
  }
}