Pith Number

pith:NCIZ23R5

pith:2009:NCIZ23R5KMLM2ONWGZRNH2SM5N

not attested not anchored not stored refs pending

Self-consistent method for density estimation

Alberto Bernacchia, Simone Pigolotti

arxiv:0908.3856 v6 · 2009-08-26 · stat.ME · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{NCIZ23R5KMLM2ONWGZRNH2SM5N}

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	2026-05-18T02:24:47.559982Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

68919d6e3d5316cd39b63662d3ea4ceb5a7cec00da7e42536d60686b53b0afb1

Aliases

arxiv: 0908.3856 · arxiv_version: 0908.3856v6 · doi: 10.48550/arxiv.0908.3856 · pith_short_12: NCIZ23R5KMLM · pith_short_16: NCIZ23R5KMLM2ONW · pith_short_8: NCIZ23R5

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/NCIZ23R5KMLM2ONWGZRNH2SM5N \
  | 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: 68919d6e3d5316cd39b63662d3ea4ceb5a7cec00da7e42536d60686b53b0afb1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2557e7865c4c17eadb0fe521f100bc994a31248fc2f824ab71305405e338606",
    "cross_cats_sorted": [
      "stat.AP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2009-08-26T16:23:07Z",
    "title_canon_sha256": "c0e6e9eb8ab8063d60b1fdf906c29c84b602f530b97fee6934d1a3910adb6722"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0908.3856",
    "kind": "arxiv",
    "version": 6
  }
}