Pith Number

pith:RCUGFZAJ

pith:2019:RCUGFZAJRL6E22FWT2CVPUSOGE

not attested not anchored not stored refs pending

The Use of Unlabeled Data versus Labeled Data for Stopping Active Learning for Text Classification

Ethan Kochis, Garrett Beatty, Michael Bloodgood

arxiv:1901.09126 v2 · 2019-01-26 · cs.LG · cs.CL · cs.IR · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{RCUGFZAJRL6E22FWT2CVPUSOGE}

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	2026-05-17T23:47:58.331525Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

88a862e4098afc4d68b69e8557d24e3100c02a3fa559ed4dfb8958055f077c29

Aliases

arxiv: 1901.09126 · arxiv_version: 1901.09126v2 · doi: 10.48550/arxiv.1901.09126 · pith_short_12: RCUGFZAJRL6E · pith_short_16: RCUGFZAJRL6E22FW · pith_short_8: RCUGFZAJ

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/RCUGFZAJRL6E22FWT2CVPUSOGE \
  | 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: 88a862e4098afc4d68b69e8557d24e3100c02a3fa559ed4dfb8958055f077c29

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "72b77c66c9953e2fe983fd841194538454598c1378a9684b81cbc9c4f04b988f",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.IR",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2019-01-26T00:27:02Z",
    "title_canon_sha256": "52fe39029c0371d938ad3bea0772dc47a7e8fc3b5a2748654c8ec6c6db8eca9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1901.09126",
    "kind": "arxiv",
    "version": 2
  }
}