Pith Number

pith:IG45YKUW

pith:2020:IG45YKUWKDYTF6KQTPNWFAWD3U

not attested not anchored not stored refs pending

Empirical Analysis of Zipf's Law, Power Law, and Lognormal Distributions in Medical Discharge Reports

Ahmet Baki Kocaballi, Catalin Tufanaru, Dana Rezazadegan, Enrico Coiera, Juan C Quiroz, Liliana Laranjo, Shlomo Berkovsky

arxiv:2003.13352 v3 · 2020-03-30 · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IG45YKUWKDYTF6KQTPNWFAWD3U}

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	2026-07-05T01:49:36.335035Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

41b9dc2a9650f132f9509bdb6282c3dd15ca52a0b3ad8ea1ba2c3e26724e3004

Aliases

arxiv: 2003.13352 · arxiv_version: 2003.13352v3 · doi: 10.48550/arxiv.2003.13352 · pith_short_12: IG45YKUWKDYT · pith_short_16: IG45YKUWKDYTF6KQ · pith_short_8: IG45YKUW

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/IG45YKUWKDYTF6KQTPNWFAWD3U \
  | 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: 41b9dc2a9650f132f9509bdb6282c3dd15ca52a0b3ad8ea1ba2c3e26724e3004

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "10cf742db5a864b23aab46b4db228d5bfd89bee520af78929958c04c5758d0bd",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-03-30T11:34:53Z",
    "title_canon_sha256": "73e0bbe94786497171520141f329fdbb601db32e5a7abcb212fbbf484e195dc7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.13352",
    "kind": "arxiv",
    "version": 3
  }
}