Pith Number

pith:3CUKJI2K

pith:2016:3CUKJI2KTSASGIFGL2YZ6X6VXU

not attested not anchored not stored refs pending

Covariate Balancing Propensity Score by Tailored Loss Functions

Qingyuan Zhao

arxiv:1601.05890 v3 · 2016-01-22 · 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{3CUKJI2KTSASGIFGL2YZ6X6VXU}

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	2026-05-18T00:48:20.256069Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d8a8a4a34a9c812320a65eb19f5fd5bd23ce05e03618e5ab4cdfa4531f401c62

Aliases

arxiv: 1601.05890 · arxiv_version: 1601.05890v3 · doi: 10.48550/arxiv.1601.05890 · pith_short_12: 3CUKJI2KTSAS · pith_short_16: 3CUKJI2KTSASGIFG · pith_short_8: 3CUKJI2K

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/3CUKJI2KTSASGIFGL2YZ6X6VXU \
  | 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: d8a8a4a34a9c812320a65eb19f5fd5bd23ce05e03618e5ab4cdfa4531f401c62

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6503d8f4944d738286b49ba7f5e917b88e1bfb7694629235bd4138555de51348",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2016-01-22T06:33:41Z",
    "title_canon_sha256": "6ec01c62d8905d1a4ea6daaa6284f4a225914d2269965bbc2f3801cf2f669680"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05890",
    "kind": "arxiv",
    "version": 3
  }
}