Pith Number

pith:7Z7HWNG4

pith:2019:7Z7HWNG4DPCMPM2NS3XYF6A6JO

not attested not anchored not stored refs pending

Analytic solutions for locally optimal designs for gamma models having linear predictor without intercept

Osama Idais, Rainer Schwabe

arxiv:1904.09232 v1 · 2019-04-06 · math.ST · 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{7Z7HWNG4DPCMPM2NS3XYF6A6JO}

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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	2026-05-17T23:48:07.930358Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fe7e7b34dc1bc4c7b34d96ef82f81e4bac4b2524cda62ce0a76717cc0cd71da7

Aliases

arxiv: 1904.09232 · arxiv_version: 1904.09232v1 · doi: 10.48550/arxiv.1904.09232 · pith_short_12: 7Z7HWNG4DPCM · pith_short_16: 7Z7HWNG4DPCMPM2N · pith_short_8: 7Z7HWNG4

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/7Z7HWNG4DPCMPM2NS3XYF6A6JO \
  | 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: fe7e7b34dc1bc4c7b34d96ef82f81e4bac4b2524cda62ce0a76717cc0cd71da7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dcaf7f63ca962d94492f4407b4ea37ab8a5d3bb6331a678e11f901107c587e5f",
    "cross_cats_sorted": [
      "stat.ME",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2019-04-06T22:06:46Z",
    "title_canon_sha256": "3450b2627a5d1340e2b6eb35e5eb4e522193555ff1524784a5110467b77882e3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.09232",
    "kind": "arxiv",
    "version": 1
  }
}