Pith Number

pith:56PY5JPI

pith:2021:56PY5JPI6HBLP24BC7VFCNOJGH

not attested not anchored not stored refs pending

Quantifying patient and neighborhood risks for stillbirth and preterm birth in Philadelphia with a Bayesian spatial model

Cecilia Balocchi, Edward I. George, Jessica Liu, Mary R. Boland, Ray Bai, Silvia P. Canel\'on, Yong Chen

arxiv:2105.04981 v5 · 2021-05-11 · stat.AP · 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{56PY5JPI6HBLP24BC7VFCNOJGH}

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	2026-07-05T08:31:37.878159Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ef9f8ea5e8f1c2b7eb8117ea5135c931dab719cb32671485e455c40c1e7f2638

Aliases

arxiv: 2105.04981 · arxiv_version: 2105.04981v5 · doi: 10.48550/arxiv.2105.04981 · pith_short_12: 56PY5JPI6HBL · pith_short_16: 56PY5JPI6HBLP24B · pith_short_8: 56PY5JPI

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/56PY5JPI6HBLP24BC7VFCNOJGH \
  | 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: ef9f8ea5e8f1c2b7eb8117ea5135c931dab719cb32671485e455c40c1e7f2638

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ffa35149e59955f5158d1fc3a905caffb85a91b202eaed86f39039a8406f6d88",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2021-05-11T12:35:50Z",
    "title_canon_sha256": "ad18a2fc68536f78f89137e8fb7189089059a06a737d5e99da79c701661cd55f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.04981",
    "kind": "arxiv",
    "version": 5
  }
}