Pith Number

pith:4ZXLSD54

pith:2018:4ZXLSD543BVVEQQYXBS2BDGFC6

not attested not anchored not stored refs pending

CliNER 2.0: Accessible and Accurate Clinical Concept Extraction

Anna Rumshisky, Elena Sergeeva, Peter Szolovits, Saurabh Kulshreshtha, Tristan Naumann, Willie Boag

arxiv:1803.02245 v1 · 2018-03-06 · 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{4ZXLSD543BVVEQQYXBS2BDGFC6}

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	2026-05-18T00:21:55.417007Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e66eb90fbcd86b524218b865a08cc51793c07838f033ee1dfc9e2933704f35e4

Aliases

arxiv: 1803.02245 · arxiv_version: 1803.02245v1 · doi: 10.48550/arxiv.1803.02245 · pith_short_12: 4ZXLSD543BVV · pith_short_16: 4ZXLSD543BVVEQQY · pith_short_8: 4ZXLSD54

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/4ZXLSD543BVVEQQYXBS2BDGFC6 \
  | 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: e66eb90fbcd86b524218b865a08cc51793c07838f033ee1dfc9e2933704f35e4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00cc5dac2b3284ae3c85e24f95b4a01a2bb917c05f7e3b54229de5b4faff2dd6",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-03-06T15:17:40Z",
    "title_canon_sha256": "102a5ea14ab526bbc4088aead01179d2469c9a2b1f16de0d819c081dafde4e2a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02245",
    "kind": "arxiv",
    "version": 1
  }
}