Pith Number

pith:3DAXMFUQ

pith:2016:3DAXMFUQWQOMNL3AEJ4UBHEDFC

not attested not anchored not stored refs pending

Skew-t inference with improved covariance matrix approximation

Fredrik Gustafsson, Henri Nurminen, Robert Piche, Tohid Ardeshiri

arxiv:1603.06216 v1 · 2016-03-20 · cs.SY · stat.CO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3DAXMFUQWQOMNL3AEJ4UBHEDFC}

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	2026-05-18T01:18:50.000147Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8c1761690b41cc6af602279409c83288d5ec547930140e672571a8af5f2903d

Aliases

arxiv: 1603.06216 · arxiv_version: 1603.06216v1 · doi: 10.48550/arxiv.1603.06216 · pith_short_12: 3DAXMFUQWQOM · pith_short_16: 3DAXMFUQWQOMNL3A · pith_short_8: 3DAXMFUQ

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/3DAXMFUQWQOMNL3AEJ4UBHEDFC \
  | 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: d8c1761690b41cc6af602279409c83288d5ec547930140e672571a8af5f2903d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "38de098699bc9c6535edb8c1a31e9083c02566e5c29fcac8456e26b1aa60019c",
    "cross_cats_sorted": [
      "stat.CO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SY",
    "submitted_at": "2016-03-20T14:05:47Z",
    "title_canon_sha256": "91b330443b322bd1198b7ad91d572be243002eec43b8494970d66f125f870785"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06216",
    "kind": "arxiv",
    "version": 1
  }
}