Pith Number

pith:DUKJUJS6

pith:2011:DUKJUJS6HQ27LKUZ33TTRZ4MJM

not attested not anchored not stored refs pending

A note on insufficiency and the preservation of Fisher information

David Pollard

arxiv:1107.3797 v2 · 2011-07-19 · 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{DUKJUJS6HQ27LKUZ33TTRZ4MJM}

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	2026-05-18T03:57:26.875851Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1d149a265e3c35f5aa99dee738e78c4b3c0c60bada6c546b0fb72f5f3c9d9258

Aliases

arxiv: 1107.3797 · arxiv_version: 1107.3797v2 · doi: 10.48550/arxiv.1107.3797 · pith_short_12: DUKJUJS6HQ27 · pith_short_16: DUKJUJS6HQ27LKUZ · pith_short_8: DUKJUJS6

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/DUKJUJS6HQ27LKUZ33TTRZ4MJM \
  | 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: 1d149a265e3c35f5aa99dee738e78c4b3c0c60bada6c546b0fb72f5f3c9d9258

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c62223d840d36ff57938192b5b4b930a27c637e9317a314a925daf1fed4a86ca",
    "cross_cats_sorted": [
      "math.PR",
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2011-07-19T18:25:39Z",
    "title_canon_sha256": "0c5f9d557e0994cecd1cb63a402f2f6240061127025e3a816d080037cc770994"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1107.3797",
    "kind": "arxiv",
    "version": 2
  }
}