Pith Number

pith:L2LHXOVW

pith:2021:L2LHXOVWNUO7ZTPFCS3DG7JOVZ

not attested not anchored not stored refs pending

Deployment of a Free-Text Analytics Platform at a UK National Health Service Research Hospital: CogStack at University College London Hospitals

Alex Handy, Amos Folarin, Anoop Shah, Joshua Matteson, Kawsar Noor, Leilei Zhu, Luis Romao, Lukasz Roguski, Nathan Lea, Richard J Dobson, Roman Klapaukh, Wai Keong Wong

arxiv:2108.06835 v1 · 2021-08-15 · 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{L2LHXOVWNUO7ZTPFCS3DG7JOVZ}

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	2026-07-05T03:05:58.283301Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5e967bbab66d1dfccde514b6337d2eae56ff18e6f52c1c3a6eacfd50d333700c

Aliases

arxiv: 2108.06835 · arxiv_version: 2108.06835v1 · doi: 10.48550/arxiv.2108.06835 · pith_short_12: L2LHXOVWNUO7 · pith_short_16: L2LHXOVWNUO7ZTPF · pith_short_8: L2LHXOVW

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/L2LHXOVWNUO7ZTPFCS3DG7JOVZ \
  | 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: 5e967bbab66d1dfccde514b6337d2eae56ff18e6f52c1c3a6eacfd50d333700c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "679f15f956d613a77b0301fc84e79c82cf56b8c1e545c8ff67022ea56a8b8cbd",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2021-08-15T23:00:10Z",
    "title_canon_sha256": "d1b2dd6f8aa1a7d78ddc8acf4ff9bbbe51088a44d94cfc0245ecd93bc1fc6bd5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.06835",
    "kind": "arxiv",
    "version": 1
  }
}