Pith Number

pith:LMS74B66

pith:2019:LMS74B66ZYULIXA54VAA7UH4UO

not attested not anchored not stored refs pending

Extracting PICO elements from RCT abstracts using 1-2gram analysis and multitask classification

Liao xiaoli, Li Ke, Li Shilei, Shi Qinwen, Wu Jinfa, Xia Yuan

arxiv:1901.08351 v1 · 2019-01-24 · cs.CL · cs.IR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LMS74B66ZYULIXA54VAA7UH4UO}

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	2026-05-17T23:55:35.697388Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5b25fe07dece28b45c1de5400fd0fca38fcbe58715490990eb913a97bdc71388

Aliases

arxiv: 1901.08351 · arxiv_version: 1901.08351v1 · doi: 10.48550/arxiv.1901.08351 · pith_short_12: LMS74B66ZYUL · pith_short_16: LMS74B66ZYULIXA5 · pith_short_8: LMS74B66

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/LMS74B66ZYULIXA54VAA7UH4UO \
  | 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: 5b25fe07dece28b45c1de5400fd0fca38fcbe58715490990eb913a97bdc71388

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8d036c7365c5f5ee8ada3ab8c94dc26e822e6289ee52caa5650aa0000d8377dd",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2019-01-24T11:14:49Z",
    "title_canon_sha256": "8d24ef542555eff79ef9706428982e835d818bcdba4aac726db444067690c299"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.08351",
    "kind": "arxiv",
    "version": 1
  }
}