Pith Number

pith:FIAJULG5

pith:2015:FIAJULG5ERXG753OWBK4LMM5B6

not attested not anchored not stored refs pending

On the Effects of Low-Quality Training Data on Information Extraction from Clinical Reports

Diego Marcheggiani, Fabrizio Sebastiani

arxiv:1502.05472 v2 · 2015-02-19 · cs.LG · 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{FIAJULG5ERXG753OWBK4LMM5B6}

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	2026-07-05T03:15:24.341635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2a009a2cdd246e6ff76eb055c5b19d0fb078468ec8d0368477f2ab4f9e1072cf

Aliases

arxiv: 1502.05472 · arxiv_version: 1502.05472v2 · doi: 10.48550/arxiv.1502.05472 · pith_short_12: FIAJULG5ERXG · pith_short_16: FIAJULG5ERXG753O · pith_short_8: FIAJULG5

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/FIAJULG5ERXG753OWBK4LMM5B6 \
  | 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: 2a009a2cdd246e6ff76eb055c5b19d0fb078468ec8d0368477f2ab4f9e1072cf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d218166653ad24c95cfafcda6b4d64010e8e42c2056f8e031760b97240f86bd",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR"
    ],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2015-02-19T06:04:40Z",
    "title_canon_sha256": "aa37c8bc02b4b2febf61a241bfde9bcbdfaa5f18e60ce43e9889243770a9430e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05472",
    "kind": "arxiv",
    "version": 2
  }
}