Pith Number

pith:OVYGDNHD

pith:2025:OVYGDNHDHNCABRBHSV5WH4VGYG

not attested not anchored not stored refs pending

Instability of inverse probability weighting methods and a remedy for non-ignorable missing data

Jing Qin, Pengfei Li, Yukun Liu

arxiv:2507.17137 v1 · 2025-07-23 · 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{OVYGDNHDHNCABRBHSV5WH4VGYG}

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	2026-07-05T11:42:01.920610Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

757061b4e33b4400c427957b63f2a6c1b8e6e6708a32fa7510291ecf6a822a0d

Aliases

arxiv: 2507.17137 · arxiv_version: 2507.17137v1 · doi: 10.48550/arxiv.2507.17137 · pith_short_12: OVYGDNHDHNCA · pith_short_16: OVYGDNHDHNCABRBH · pith_short_8: OVYGDNHD

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/OVYGDNHDHNCABRBHSV5WH4VGYG \
  | 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: 757061b4e33b4400c427957b63f2a6c1b8e6e6708a32fa7510291ecf6a822a0d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "913a25883f46c885a1c688566d63abb8b85f5cd3a698ec57a568c002b0275821",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2025-07-23T02:18:01Z",
    "title_canon_sha256": "dadf533d35a62bbc459256db6c6b9a528aa35d90ebe5a4ac508a76c2c787a1ae"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.17137",
    "kind": "arxiv",
    "version": 1
  }
}