Pith Number

pith:DP4CWQ7D

pith:2020:DP4CWQ7DJPDH5QK4IBMGZMDKXT

not attested not anchored not stored refs pending

Patient Similarity Analysis with Longitudinal Health Data

Ahmed Allam, Anna Sintsova, Dominique Brodbeck, Matthias Dittberner, Michael Krauthammer

arxiv:2005.06630 v1 · 2020-05-14 · cs.LG · cs.CY · q-bio.QM · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{DP4CWQ7DJPDH5QK4IBMGZMDKXT}

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	2026-07-05T01:02:48.919523Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1bf82b43e34bc67ec15c40586cb06abcf8b7db52b4e4bd6e57a450eba015f745

Aliases

arxiv: 2005.06630 · arxiv_version: 2005.06630v1 · doi: 10.48550/arxiv.2005.06630 · pith_short_12: DP4CWQ7DJPDH · pith_short_16: DP4CWQ7DJPDH5QK4 · pith_short_8: DP4CWQ7D

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/DP4CWQ7DJPDH5QK4IBMGZMDKXT \
  | 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: 1bf82b43e34bc67ec15c40586cb06abcf8b7db52b4e4bd6e57a450eba015f745

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "23d2991d9b5786b8915130ffbdaefccd9d083e6cf908743d730dc6cc1a2163d8",
    "cross_cats_sorted": [
      "cs.CY",
      "q-bio.QM",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-05-14T07:06:02Z",
    "title_canon_sha256": "ba60758aa1e239306805a282b3fbec8a4c1a6d3098cd580ab03f32c618f922d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.06630",
    "kind": "arxiv",
    "version": 1
  }
}