Pith Number

pith:67GRVHLX

pith:2019:67GRVHLXRTNDMFYN355L43KK6B

not attested not anchored not stored refs pending

Evaluating the Reproducibility of Research in Obstetrics and Gynecology

Aaron Bowers, Daniel Tritz, Drayton Rorah, Lance Frye, Matt Vassar, Shelby Rauh

arxiv:1907.06999 v1 · 2019-07-16 · q-bio.QM · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{67GRVHLXRTNDMFYN355L43KK6B}

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	2026-05-17T23:40:28.385772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

f7cd1a9d778cda36170ddf7abe6d4af06a168c9af74c302f790b2f43eb985aa1

Aliases

arxiv: 1907.06999 · arxiv_version: 1907.06999v1 · doi: 10.48550/arxiv.1907.06999 · pith_short_12: 67GRVHLXRTND · pith_short_16: 67GRVHLXRTNDMFYN · pith_short_8: 67GRVHLX

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/67GRVHLXRTNDMFYN355L43KK6B \
  | 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: f7cd1a9d778cda36170ddf7abe6d4af06a168c9af74c302f790b2f43eb985aa1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a89e7133101a11fdf9483fdc2cbb793b9dc11e9b354147bf1aa5f6a80d54971b",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "q-bio.QM",
    "submitted_at": "2019-07-16T13:48:02Z",
    "title_canon_sha256": "baf1db148e5050c19b03b6e5cfb9f0a2753fe4368fa9a4779bfc088a87fcf0d8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.06999",
    "kind": "arxiv",
    "version": 1
  }
}