Pith Number

pith:A73MJNU2

pith:2016:A73MJNU2E5A5U2LG3N4QL3FH36

not attested not anchored not stored refs pending

Bidirectional LSTM-CRF for Clinical Concept Extraction

Ehsan Zare Borzeshi, Massimo Piccardi, Raghavendra Chalapathy

arxiv:1610.05858 v1 · 2016-10-19 · 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{A73MJNU2E5A5U2LG3N4QL3FH36}

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	2026-05-18T01:01:50.913643Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07f6c4b69a2741da6966db7905eca7df8f963ce6711da19aaccade7dfcee97f8

Aliases

arxiv: 1610.05858 · arxiv_version: 1610.05858v1 · doi: 10.48550/arxiv.1610.05858 · pith_short_12: A73MJNU2E5A5 · pith_short_16: A73MJNU2E5A5U2LG · pith_short_8: A73MJNU2

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/A73MJNU2E5A5U2LG3N4QL3FH36 \
  | 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: 07f6c4b69a2741da6966db7905eca7df8f963ce6711da19aaccade7dfcee97f8

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "00d6a952a688d9f7754ea496691f0460465240ed7ea8613d236199bda0a2cbb7",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2016-10-19T03:59:30Z",
    "title_canon_sha256": "9d81e8d1551d3997d3a2cc1a827060b63d3beef033671501c691b81d284edec8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1610.05858",
    "kind": "arxiv",
    "version": 1
  }
}