Pith Number

pith:AZUFLT2P

pith:2018:AZUFLT2PXUJ7PFZ54EBXHGLRU3

not attested not anchored not stored refs pending

Testing for Conditional Mean Independence with Covariates through Martingale Difference Divergence

David S. Matteson, Xiaohan Yan, Ze Jin

arxiv:1805.06640 v1 · 2018-05-17 · math.ST · stat.AP · stat.CO · stat.ME · stat.ML · 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{AZUFLT2PXUJ7PFZ54EBXHGLRU3}

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	2026-05-18T00:15:43.827495Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

066855cf4fbd13f7973de103739971a6f699ab84bed120a14a50ea939638ecc4

Aliases

arxiv: 1805.06640 · arxiv_version: 1805.06640v1 · doi: 10.48550/arxiv.1805.06640 · pith_short_12: AZUFLT2PXUJ7 · pith_short_16: AZUFLT2PXUJ7PFZ5 · pith_short_8: AZUFLT2P

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/AZUFLT2PXUJ7PFZ54EBXHGLRU3 \
  | 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: 066855cf4fbd13f7973de103739971a6f699ab84bed120a14a50ea939638ecc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8e9ae5a575db7135c4c1e58c65d102ccd1436b51796a5bb2d9834c95fd5a84f4",
    "cross_cats_sorted": [
      "stat.AP",
      "stat.CO",
      "stat.ME",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-05-17T07:53:48Z",
    "title_canon_sha256": "b00d90e52d2fb7344424425415e6f851f4ffb9953108ce5453ba1b5cb5c8bf73"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1805.06640",
    "kind": "arxiv",
    "version": 1
  }
}