Pith Number

pith:WEFTTKOA

pith:2026:WEFTTKOAE4LMJDOCAJ2LXYH6UN

not attested not anchored not stored refs pending

Robust Moment-Based Estimation via Spectral Gradient Reweighting

Amit Singer, Liu Zhang

arxiv:2605.27718 v1 · 2026-05-26 · math.ST · cs.LG · stat.ME · 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{WEFTTKOAE4LMJDOCAJ2LXYH6UN}

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	2026-05-28T01:04:47.096063Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b10b39a9c02716c48dc20274bbe0fea36b34d19e75b1fc2fecc1772cfb178315

Aliases

arxiv: 2605.27718 · arxiv_version: 2605.27718v1 · doi: 10.48550/arxiv.2605.27718 · pith_short_12: WEFTTKOAE4LM · pith_short_16: WEFTTKOAE4LMJDOC · pith_short_8: WEFTTKOA

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/WEFTTKOAE4LMJDOCAJ2LXYH6UN \
  | 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: b10b39a9c02716c48dc20274bbe0fea36b34d19e75b1fc2fecc1772cfb178315

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "28de3ab0610932f9a3556ce256f6f4f84564de23e4e4b4f41e99b5f6375c7cd3",
    "cross_cats_sorted": [
      "cs.LG",
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2026-05-26T21:44:02Z",
    "title_canon_sha256": "b7d30d44d7518ee2f7f64c838c0c2340e1e521aa3a1b9c631686632059328225"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2605.27718",
    "kind": "arxiv",
    "version": 1
  }
}