Pith Number

pith:VLBMZHCG

pith:2019:VLBMZHCG5OH666B53IOQMXYR52

not attested not anchored not stored refs pending

Explainable Text Classification in Legal Document Review A Case Study of Explainable Predictive Coding

Haozhen Zhao, Jianping Zhang, Nathaniel Huber-Fliflet, Peter Gronvall, Rishi Chhatwal, Robert Keeling

arxiv:1904.01721 v1 · 2019-04-03 · 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{VLBMZHCG5OH666B53IOQMXYR52}

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	2026-05-17T23:49:30.019619Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

aac2cc9c46eb8fef783dda1d065f11eeb1ddaeb14ae9d18e690a0a73fb3c03a2

Aliases

arxiv: 1904.01721 · arxiv_version: 1904.01721v1 · doi: 10.48550/arxiv.1904.01721 · pith_short_12: VLBMZHCG5OH6 · pith_short_16: VLBMZHCG5OH666B5 · pith_short_8: VLBMZHCG

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/VLBMZHCG5OH666B53IOQMXYR52 \
  | 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: aac2cc9c46eb8fef783dda1d065f11eeb1ddaeb14ae9d18e690a0a73fb3c03a2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "782d5f183303e9a001b1bf902f099a09af70333d83e4d88c9dc14c190555448f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-03T00:57:32Z",
    "title_canon_sha256": "24ea6217bb1a0cc5bb4620b3cb60a050c0588a309a1c45be5433f6d3274e103b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01721",
    "kind": "arxiv",
    "version": 1
  }
}