Pith Number

pith:5IF2CV4G

pith:2015:5IF2CV4GJWTM2EYSDLI2HUQJF2

not attested not anchored not stored refs pending

A Pessimistic Approximation for the Fisher Information Measure

Josef A. Nossek, Manuel Stein

arxiv:1508.03878 v2 · 2015-08-16 · cs.IT · eess.SP · 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{5IF2CV4GJWTM2EYSDLI2HUQJF2}

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	2026-05-18T00:14:47.967554Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ea0ba157864da6cd13121ad1a3d2092e990911e3fa1c48755260b9814311bfdf

Aliases

arxiv: 1508.03878 · arxiv_version: 1508.03878v2 · doi: 10.48550/arxiv.1508.03878 · pith_short_12: 5IF2CV4GJWTM · pith_short_16: 5IF2CV4GJWTM2EYS · pith_short_8: 5IF2CV4G

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/5IF2CV4GJWTM2EYSDLI2HUQJF2 \
  | 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: ea0ba157864da6cd13121ad1a3d2092e990911e3fa1c48755260b9814311bfdf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4750765b11e3dd9ec1ccd579590a4fe0613687b024ae296bf55ac9751aabd29b",
    "cross_cats_sorted": [
      "eess.SP",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IT",
    "submitted_at": "2015-08-16T23:09:20Z",
    "title_canon_sha256": "2a09ad7533b61cfaf0846ab5745e70064dc2588b947cc4bfee2ae256ab0474fd"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1508.03878",
    "kind": "arxiv",
    "version": 2
  }
}