Pith Number

pith:XB4ZQOWM

pith:2025:XB4ZQOWMQIHS2TUULEUWA7WZTQ

not attested not anchored not stored refs pending

Survey: Understand the challenges of MachineLearning Experts using Named EntityRecognition Tools

Florian Freund, Matthias Hemmje, Philippe Tamla

arxiv:2501.16112 v1 · 2025-01-27 · cs.IR · 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{XB4ZQOWMQIHS2TUULEUWA7WZTQ}

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	2026-07-05T10:07:48.214972Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b879983acc820f2d4e945929607ed99c1fd4c409efb76400d41a18ac7a38b3e0

Aliases

arxiv: 2501.16112 · arxiv_version: 2501.16112v1 · doi: 10.48550/arxiv.2501.16112 · pith_short_12: XB4ZQOWMQIHS · pith_short_16: XB4ZQOWMQIHS2TUU · pith_short_8: XB4ZQOWM

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/XB4ZQOWMQIHS2TUULEUWA7WZTQ \
  | 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: b879983acc820f2d4e945929607ed99c1fd4c409efb76400d41a18ac7a38b3e0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "abf57ef54a71ac083039f8e357146cd2163e9b7a3e8b93378b0db694062b487d",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2025-01-27T15:04:00Z",
    "title_canon_sha256": "952bf57bd794f4ff0e6326f9166aba357f35551f7e880d2a8cb20c1eb1dcd6d7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.16112",
    "kind": "arxiv",
    "version": 1
  }
}