Pith Number

pith:W4V2DPG4

pith:2019:W4V2DPG4HVUHPUT3AEUXAPUUTB

not attested not anchored not stored refs pending

Targeted Estimation of L2 Distance Between Densities and its Application to Geo-spatial Data

George Shan, Mark J. van der Laan

arxiv:1905.13414 v1 · 2019-05-31 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{W4V2DPG4HVUHPUT3AEUXAPUUTB}

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	2026-05-17T23:44:34.966146Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b72ba1bcdc3d6877d27b0129703e9498544e580802df4c5cee35125e55375268

Aliases

arxiv: 1905.13414 · arxiv_version: 1905.13414v1 · doi: 10.48550/arxiv.1905.13414 · pith_short_12: W4V2DPG4HVUH · pith_short_16: W4V2DPG4HVUHPUT3 · pith_short_8: W4V2DPG4

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/W4V2DPG4HVUHPUT3AEUXAPUUTB \
  | 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: b72ba1bcdc3d6877d27b0129703e9498544e580802df4c5cee35125e55375268

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0b109cde5b91ae5a0d352f859683b877e83eadff1bea6cc6647f28319848505c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-05-31T05:03:53Z",
    "title_canon_sha256": "5032f00ecef09f0657ab53e70a85e86eb6dd653a5cb1c3d4fc64018510f80383"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.13414",
    "kind": "arxiv",
    "version": 1
  }
}