Pith Number

pith:L4SBN5JD

pith:2013:L4SBN5JDS53A4JX6DQVYYBGXNG

not attested not anchored not stored refs pending

Targeted smoothing parameter selection for estimating average causal effects

Jenny H\"aggstr\"om, Xavier de Luna

arxiv:1306.4509 v1 · 2013-06-19 · 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{L4SBN5JDS53A4JX6DQVYYBGXNG}

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	2026-05-18T00:32:31.788648Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5f2416f52397760e26fe1c2b8c04d769a57f53ec03939aeaec9b5ec3db6e158b

Aliases

arxiv: 1306.4509 · arxiv_version: 1306.4509v1 · doi: 10.48550/arxiv.1306.4509 · pith_short_12: L4SBN5JDS53A · pith_short_16: L4SBN5JDS53A4JX6 · pith_short_8: L4SBN5JD

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/L4SBN5JDS53A4JX6DQVYYBGXNG \
  | 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: 5f2416f52397760e26fe1c2b8c04d769a57f53ec03939aeaec9b5ec3db6e158b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "74cae2381128da66b09b99e8f9190c5e298c309ca4233e6dd931d190a615a5f4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-06-19T12:04:47Z",
    "title_canon_sha256": "c3564eec968abdf41051d2fec2de65b34ce8d877ea625d09fcb72421850234dc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1306.4509",
    "kind": "arxiv",
    "version": 1
  }
}