Pith Number

pith:55PVQTYY

pith:2019:55PVQTYYZP5AEQXF4DSZCMYX2E

not attested not anchored not stored refs pending

Propensity scores using missingness pattern information: a practical guide

Clemence Leyrat, Elizabeth J. Williamson, Helen A. Blake, James Carpenter, Kathryn E. Mansfield, Laurie A. Tomlinson (LSHTM), Shaun Seaman

arxiv:1901.03981 v1 · 2019-01-13 · 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{55PVQTYYZP5AEQXF4DSZCMYX2E}

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	2026-05-17T23:56:26.579578Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef5f584f18cbfa0242e5e0e5913317d12e64f1fb75c4cdff1a81b0543c02c9c8

Aliases

arxiv: 1901.03981 · arxiv_version: 1901.03981v1 · doi: 10.48550/arxiv.1901.03981 · pith_short_12: 55PVQTYYZP5A · pith_short_16: 55PVQTYYZP5AEQXF · pith_short_8: 55PVQTYY

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/55PVQTYYZP5AEQXF4DSZCMYX2E \
  | 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: ef5f584f18cbfa0242e5e0e5913317d12e64f1fb75c4cdff1a81b0543c02c9c8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d1cc5a306502eb3ca84e05a625cb46d8e2e6e354ff2ffc910cbe638ac46fc209",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-01-13T13:52:23Z",
    "title_canon_sha256": "ae97545be103db6d39e7de83e6dd8b55ba2eee642d7c54cfd17546d79a3fd798"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.03981",
    "kind": "arxiv",
    "version": 1
  }
}