Pith Number

pith:OB6M2GXA

pith:2019:OB6M2GXADXO4K6GO3J4LNJ75EE

not attested not anchored not stored refs pending

Empirical Study of Deep Learning for Text Classification in Legal Document Review

Fusheng Wei, Han Qin, Haozhen Zhao, Shi Ye

arxiv:1904.01723 v1 · 2019-04-03 · cs.IR · cs.LG

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OB6M2GXADXO4K6GO3J4LNJ75EE}

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	2026-05-17T23:49:29.909456Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

707ccd1ae01dddc578ceda78b6a7fd21024b1ab44ac179b1b2396ca72f47e5dd

Aliases

arxiv: 1904.01723 · arxiv_version: 1904.01723v1 · doi: 10.48550/arxiv.1904.01723 · pith_short_12: OB6M2GXADXO4 · pith_short_16: OB6M2GXADXO4K6GO · pith_short_8: OB6M2GXA

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/OB6M2GXADXO4K6GO3J4LNJ75EE \
  | 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: 707ccd1ae01dddc578ceda78b6a7fd21024b1ab44ac179b1b2396ca72f47e5dd

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f998e380a12082e751afb267b1e8bb53d789af82eb01aaa2cf307122e5880fd",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-03T01:00:41Z",
    "title_canon_sha256": "dc0dcdc16e31ac37f92ea50afcd1c2533151f95e8542e452ff0bfff2f363adcf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01723",
    "kind": "arxiv",
    "version": 1
  }
}