Pith Number

pith:G4B3CQXO

pith:2018:G4B3CQXOX2CVT7JAQBKOQGULQC

not attested not anchored not stored refs pending

A systematic approach to improving the reliability and scale of evidence from health care data

David Madigan, George Hripcsak, Marc A. Suchard, Martijn J. Schuemie, Patrick B. Ryan

arxiv:1803.10791 v1 · 2018-03-28 · 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{G4B3CQXOX2CVT7JAQBKOQGULQC}

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	2026-05-18T00:19:50.228391Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3703b142eebe8559fd208054e81a8b808d8dd02c8e5fdd3445e8d2d49612372e

Aliases

arxiv: 1803.10791 · arxiv_version: 1803.10791v1 · doi: 10.48550/arxiv.1803.10791 · pith_short_12: G4B3CQXOX2CV · pith_short_16: G4B3CQXOX2CVT7JA · pith_short_8: G4B3CQXO

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/G4B3CQXOX2CVT7JAQBKOQGULQC \
  | 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: 3703b142eebe8559fd208054e81a8b808d8dd02c8e5fdd3445e8d2d49612372e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ab47d431852d927a964fc69bdc924adaa5c5d7ed647f38e133b84d4a4f157625",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.AP",
    "submitted_at": "2018-03-28T18:13:54Z",
    "title_canon_sha256": "37a9c45600579dd38c580b84dc732b86f21894b76784c7b0c8cbcbdee21f0ead"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.10791",
    "kind": "arxiv",
    "version": 1
  }
}