Pith Number

pith:X2ZBKXNX

pith:2025:X2ZBKXNX2Z6I2WHX7RMAPKGICD

not attested not anchored not stored refs pending

Weakly Supervised Medical Entity Extraction and Linking for Chief Complaints

Adam Frisch, Daqing He, Diyang Xue, Rui Meng, Zhendong Wang, Zhimeng Luo

arxiv:2509.01899 v1 · 2025-09-02 · 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{X2ZBKXNX2Z6I2WHX7RMAPKGICD}

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	2026-07-05T12:03:10.736332Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

beb2155db7d67c8d58f7fc5807a8c810f60fe3663d0c0975f59bbc702aaada08

Aliases

arxiv: 2509.01899 · arxiv_version: 2509.01899v1 · doi: 10.48550/arxiv.2509.01899 · pith_short_12: X2ZBKXNX2Z6I · pith_short_16: X2ZBKXNX2Z6I2WHX · pith_short_8: X2ZBKXNX

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/X2ZBKXNX2Z6I2WHX7RMAPKGICD \
  | 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: beb2155db7d67c8d58f7fc5807a8c810f60fe3663d0c0975f59bbc702aaada08

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f9b9ff2d2a1d31beda2616a2224cab6a60cd1734f7c474508bfb6d15528e478",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2025-09-02T02:39:42Z",
    "title_canon_sha256": "287ff3c860d6630af1607e20b6bac245b0b6df22f1efa0ea6cd7132b0faba458"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.01899",
    "kind": "arxiv",
    "version": 1
  }
}