Pith Number

pith:6XPY4DWU

pith:2024:6XPY4DWURGU2TQ352QCZUS7EJK

not attested not anchored not stored refs pending

Covariance Operator Estimation via Adaptive Thresholding

Daniel Sanz-Alonso, Omar Al-Ghattas

arxiv:2405.18562 v2 · 2024-05-28 · math.ST · math.PR · 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{6XPY4DWURGU2TQ352QCZUS7EJK}

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.

Cited by

2 papers in Pith

Functional Multi-Reference Alignment via Deconvolution

Inference for Functional Data under Markov Constraints

Receipt and verification

First computed	2026-07-05T11:24:51.368309Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f5df8e0ed489a9a9c37dd4059a4be44a8c49eac2d915d7636d9c077d113c1914

Aliases

arxiv: 2405.18562 · arxiv_version: 2405.18562v2 · doi: 10.48550/arxiv.2405.18562 · pith_short_12: 6XPY4DWURGU2 · pith_short_16: 6XPY4DWURGU2TQ35 · pith_short_8: 6XPY4DWU

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/6XPY4DWURGU2TQ352QCZUS7EJK \
  | 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: f5df8e0ed489a9a9c37dd4059a4be44a8c49eac2d915d7636d9c077d113c1914

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "995a1769f74b441dcd97be871c2f12e05f57050d7fca429aeddd2a1730fc62ae",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2024-05-28T20:13:44Z",
    "title_canon_sha256": "4bfeb1c6304eff603f84fdbc12c6a554cc60ad50eff67f82acd0622da4e057d9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2405.18562",
    "kind": "arxiv",
    "version": 2
  }
}