Pith Number

pith:BB5KMHW4

pith:2017:BB5KMHW42NJWKS76JTFM4F7JO2

not attested not anchored not stored refs pending

Unreported links between trial registrations and published articles were identified using document similarity measures in a cross-sectional analysis of ClinicalTrials.gov

Adam G. Dunn, Enrico Coiera, Florence Bourgeois

arxiv:1709.02116 v3 · 2017-09-07 · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{BB5KMHW42NJWKS76JTFM4F7JO2}

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	2026-05-18T00:26:36.485772Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

087aa61edcd353654bfe4ccace17e976a794bcb8489c8a90bf640d0e61f407f6

Aliases

arxiv: 1709.02116 · arxiv_version: 1709.02116v3 · doi: 10.48550/arxiv.1709.02116 · pith_short_12: BB5KMHW42NJW · pith_short_16: BB5KMHW42NJWKS76 · pith_short_8: BB5KMHW4

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/BB5KMHW42NJWKS76JTFM4F7JO2 \
  | 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: 087aa61edcd353654bfe4ccace17e976a794bcb8489c8a90bf640d0e61f407f6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "49a8ea570d311a03f0921543a69014fc06a8785b9a84eacd6a3f415cced48dd9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2017-09-07T07:37:10Z",
    "title_canon_sha256": "5836c91131ab5b386e2e3684eb6b4e380867e07da4613927b61537e0298e0e2f"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1709.02116",
    "kind": "arxiv",
    "version": 3
  }
}