Pith Number

pith:4HZFETCC

pith:2019:4HZFETCCBEEIH4UAGTRT2HPU34

not attested not anchored not stored refs pending

Inequalities and Approximations for Fisher Information in the Presence of Nuisance Parameters

Eric Clarkson

arxiv:1902.04607 v1 · 2019-02-12 · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4HZFETCCBEEIH4UAGTRT2HPU34}

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	2026-05-17T23:54:06.459969Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1f2524c42090883f28034e33d1df4df151c3bed53a019ab6c201cc334365da0

Aliases

arxiv: 1902.04607 · arxiv_version: 1902.04607v1 · doi: 10.48550/arxiv.1902.04607 · pith_short_12: 4HZFETCCBEEI · pith_short_16: 4HZFETCCBEEIH4UA · pith_short_8: 4HZFETCC

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/4HZFETCCBEEIH4UAGTRT2HPU34 \
  | 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: e1f2524c42090883f28034e33d1df4df151c3bed53a019ab6c201cc334365da0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c1653f98db3cbaa162b5c138f9a3c49072270eccf634dfa9c5ea8743f7aff394",
    "cross_cats_sorted": [
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2019-02-12T19:48:33Z",
    "title_canon_sha256": "325c079c2be4a855fbefb218f237c0e1b34dd0165f104e560e30de1485c856f6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.04607",
    "kind": "arxiv",
    "version": 1
  }
}