Pith Number

pith:T4VUIEFP

pith:2020:T4VUIEFPCYQKJ6AXNEJKLL5QPM

not attested not anchored not stored refs pending

Nonparametric Estimation of the Fisher Information and Its Applications

Alex Dytso, Gang Feng, H. Vincent Poor, Michael Fau{\ss}, Wei Cao

arxiv:2005.03622 v1 · 2020-05-07 · cs.IT · cs.LG · eess.SP · math.IT · math.ST · 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{T4VUIEFPCYQKJ6AXNEJKLL5QPM}

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

1 paper in Pith

Lost in Retraining: Roaming the Parameter Space of Exponential Families Under Closed-Loop Learning

Receipt and verification

First computed	2026-07-05T01:01:16.944889Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f2b4410af1620a4f8176912a5afb07b1d9742fb419e44bfec44a6da7b4e8f4a

Aliases

arxiv: 2005.03622 · arxiv_version: 2005.03622v1 · doi: 10.48550/arxiv.2005.03622 · pith_short_12: T4VUIEFPCYQK · pith_short_16: T4VUIEFPCYQKJ6AX · pith_short_8: T4VUIEFP

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/T4VUIEFPCYQKJ6AXNEJKLL5QPM \
  | 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: 9f2b4410af1620a4f8176912a5afb07b1d9742fb419e44bfec44a6da7b4e8f4a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "40492c7aa7d62436b085346d563d57cddfff61749d072ac61546ad7ab39fac0d",
    "cross_cats_sorted": [
      "cs.LG",
      "eess.SP",
      "math.IT",
      "math.ST",
      "stat.ML",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2020-05-07T17:21:56Z",
    "title_canon_sha256": "ff4ff7dc4f61b539340dfb134a0f36d531b061f1b139db6b0b0c4fa325e8487b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.03622",
    "kind": "arxiv",
    "version": 1
  }
}