Pith Number

pith:WUQTGSVA

pith:2023:WUQTGSVAJ6YOC2Z6SMPV4ZV4K7

not attested not anchored not stored refs pending

Intrinsic minimum average variance estimation for sufficient dimension reduction with symmetric positive definite matrices and beyond

B. Chen, S. Dai, Z. Yu

arxiv:2302.13059 v1 · 2023-02-25 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WUQTGSVAJ6YOC2Z6SMPV4ZV4K7}

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	2026-07-05T05:45:42.822498Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b521334aa04fb0e16b3e931f5e66bc57f4cbb2ef483e89b42818512aa2cba314

Aliases

arxiv: 2302.13059 · arxiv_version: 2302.13059v1 · doi: 10.48550/arxiv.2302.13059 · pith_short_12: WUQTGSVAJ6YO · pith_short_16: WUQTGSVAJ6YOC2Z6 · pith_short_8: WUQTGSVA

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/WUQTGSVAJ6YOC2Z6SMPV4ZV4K7 \
  | 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: b521334aa04fb0e16b3e931f5e66bc57f4cbb2ef483e89b42818512aa2cba314

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5e5b8179d47b8c30fb352d35e7f8fc3e9937248fc623d7c12638c9c817508d92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2023-02-25T11:06:06Z",
    "title_canon_sha256": "8a32ebf9ef59d8ab7207e362110f55724a2aedb06695dcda5e280826e0ebe43b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2302.13059",
    "kind": "arxiv",
    "version": 1
  }
}