Pith Number

pith:JMPI2H3O

pith:2019:JMPI2H3OLHPQMUJVXRD5OVEB4N

not attested not anchored not stored refs pending

System modeling of a health issue: the case of preterm birth in Ohio

Alireza Ebrahimvandi, Niyousha HosseiniChimeh

arxiv:1904.04459 v1 · 2019-04-09 · stat.AP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JMPI2H3OLHPQMUJVXRD5OVEB4N}

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	2026-05-17T23:48:58.965990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4b1e8d1f6e59df065135bc47d75481e37f23632c78cc1da3da63912734f4f842

Aliases

arxiv: 1904.04459 · arxiv_version: 1904.04459v1 · doi: 10.48550/arxiv.1904.04459 · pith_short_12: JMPI2H3OLHPQ · pith_short_16: JMPI2H3OLHPQMUJV · pith_short_8: JMPI2H3O

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/JMPI2H3OLHPQMUJVXRD5OVEB4N \
  | 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: 4b1e8d1f6e59df065135bc47d75481e37f23632c78cc1da3da63912734f4f842

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6310d1212660c0cdae2c35747671511a7f646eaa9b8fb3a5a418aa8c3767930a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2019-04-09T04:18:05Z",
    "title_canon_sha256": "2051010c32b7c959a2052df18a0d2ed3ea99bd68fd80d6e3765879632c767914"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.04459",
    "kind": "arxiv",
    "version": 1
  }
}