Pith Number

pith:3ZEMMGRR

pith:2012:3ZEMMGRRXVD3B5DU3KAB3GMASL

not attested not anchored not stored refs pending

Properties of design-based estimation under stratified spatial sampling with application to canopy coverage estimation

Lucio Barabesi, Marzia Marcheselli, Sara Franceschi

arxiv:1203.4065 v1 · 2012-03-19 · 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{3ZEMMGRRXVD3B5DU3KAB3GMASL}

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	2026-05-18T03:59:48.369393Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

de48c61a31bd47b0f474da801d998092fed9f9207f6329241ace13f387996fcb

Aliases

arxiv: 1203.4065 · arxiv_version: 1203.4065v1 · doi: 10.48550/arxiv.1203.4065 · pith_short_12: 3ZEMMGRRXVD3 · pith_short_16: 3ZEMMGRRXVD3B5DU · pith_short_8: 3ZEMMGRR

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/3ZEMMGRRXVD3B5DU3KAB3GMASL \
  | 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: de48c61a31bd47b0f474da801d998092fed9f9207f6329241ace13f387996fcb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6764d3e8a691a0d11c8d8ee11d250fda9962fbbe1d71a0e0e8c7c5d514c2d8d2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2012-03-19T09:46:18Z",
    "title_canon_sha256": "f9a7ecebe487864492ca782091c3fc301f27b1733df5617743954e7f6051f5ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1203.4065",
    "kind": "arxiv",
    "version": 1
  }
}