Pith Number

pith:ZXFH4KFB

pith:2019:ZXFH4KFBPMCJU2AER3HJ5MZ4VA

not attested not anchored not stored refs pending

Empirical Evaluations of Preprocessing Parameters' Impact on Predictive Coding's Effectiveness

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

arxiv:1904.01718 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{ZXFH4KFBPMCJU2AER3HJ5MZ4VA}

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	2026-05-17T23:49:30.044994Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

cdca7e28a17b049a68048ece9eb33ca83312c1a25246542ca588c9865f9454db

Aliases

arxiv: 1904.01718 · arxiv_version: 1904.01718v1 · doi: 10.48550/arxiv.1904.01718 · pith_short_12: ZXFH4KFBPMCJ · pith_short_16: ZXFH4KFBPMCJU2AE · pith_short_8: ZXFH4KFB

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/ZXFH4KFBPMCJU2AER3HJ5MZ4VA \
  | 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: cdca7e28a17b049a68048ece9eb33ca83312c1a25246542ca588c9865f9454db

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "ef7b0798655264d78fcdda541bed807d06593df7417bb8ad91f4c841db194a12",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2019-04-03T00:54:55Z",
    "title_canon_sha256": "96ec97b3d49543f20b062bb1fe889ea45ac47fdeeb0bf82a430751a7ef18537b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.01718",
    "kind": "arxiv",
    "version": 1
  }
}