Pith Number

pith:IL5S2EW3

pith:2018:IL5S2EW3CUMRH22ARIDSHMQPLX

not attested not anchored not stored refs pending

Sequence Learning with RNNs for Medical Concept Normalization in User-Generated Texts

Elena Tutubalina, Sergey Nikolenko, Valentin Malykh, Zulfat Miftahutdinov

arxiv:1811.11523 v2 · 2018-11-28 · 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{IL5S2EW3CUMRH22ARIDSHMQPLX}

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	2026-05-17T23:59:37.744951Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

42fb2d12db151913eb408a0723b20f5dea7ea2ada8788619ee4bae03101e0a77

Aliases

arxiv: 1811.11523 · arxiv_version: 1811.11523v2 · doi: 10.48550/arxiv.1811.11523 · pith_short_12: IL5S2EW3CUMR · pith_short_16: IL5S2EW3CUMRH22A · pith_short_8: IL5S2EW3

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/IL5S2EW3CUMRH22ARIDSHMQPLX \
  | 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: 42fb2d12db151913eb408a0723b20f5dea7ea2ada8788619ee4bae03101e0a77

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe3f78444f28cf0e5a1ac8652999fb324e0d5d931fccc0e82f83371573d0c44b",
    "cross_cats_sorted": [
      "cs.IR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2018-11-28T12:42:57Z",
    "title_canon_sha256": "caf8301d5d704442983c23b9f9cbe5b7decaee0cd5eb6a8378326eb49e9987f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.11523",
    "kind": "arxiv",
    "version": 2
  }
}