Pith Number

pith:2E7JESAY

pith:2020:2E7JESAY6UKPLCW5KUAFNBA6E3

not attested not anchored not stored refs pending

Ontology-driven weak supervision for clinical entity classification in electronic health records

Alison Callahan, Ethan Steinberg, Jason A. Fries, Jose Posada, Nigam H. Shah, Saelig Khattar, Scott L. Fleming

arxiv:2008.01972 v2 · 2020-08-05 · cs.CL · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2E7JESAY6UKPLCW5KUAFNBA6E3}

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	2026-07-05T02:29:09.980209Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d13e924818f514f58add550056841e26f9a881a3b7a65e3ad33e93205c238fa6

Aliases

arxiv: 2008.01972 · arxiv_version: 2008.01972v2 · doi: 10.48550/arxiv.2008.01972 · pith_short_12: 2E7JESAY6UKP · pith_short_16: 2E7JESAY6UKPLCW5 · pith_short_8: 2E7JESAY

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/2E7JESAY6UKPLCW5KUAFNBA6E3 \
  | 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: d13e924818f514f58add550056841e26f9a881a3b7a65e3ad33e93205c238fa6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "11aea5a1d995b9a924173b98755ab258262d0fca5cb935732c55e9d6e7a74311",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-08-05T07:42:09Z",
    "title_canon_sha256": "a001a1eadba061a6052f1c5b300e6781f9e07c275b39d867f50beffebc4462fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2008.01972",
    "kind": "arxiv",
    "version": 2
  }
}