Pith Number

pith:7NFRRX4Y

pith:2020:7NFRRX4YUU73ER7ZMZZR2CVU3N

not attested not anchored not stored refs pending

Early Forecasting of Text Classification Accuracy and F-Measure with Active Learning

Michael Bloodgood, Thomas Orth

arxiv:2001.10337 v2 · 2020-01-20 · cs.IR · cs.CL · cs.LG · 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{7NFRRX4YUU73ER7ZMZZR2CVU3N}

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	2026-07-05T00:54:32.117802Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb4b18df98a53fb247f966731d0ab4db78419864aaec7b1ef73e075048cb8468

Aliases

arxiv: 2001.10337 · arxiv_version: 2001.10337v2 · doi: 10.48550/arxiv.2001.10337 · pith_short_12: 7NFRRX4YUU73 · pith_short_16: 7NFRRX4YUU73ER7Z · pith_short_8: 7NFRRX4Y

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/7NFRRX4YUU73ER7ZMZZR2CVU3N \
  | 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: fb4b18df98a53fb247f966731d0ab4db78419864aaec7b1ef73e075048cb8468

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "482df8debd856f196ea41ea68609d60cd51f3682f71ef76065482bab6f5cf3cb",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2020-01-20T06:27:33Z",
    "title_canon_sha256": "219546889cfe0adb7134b3304e82d78bad2d8c2c62e8dd7b9f1d6f2608debcce"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.10337",
    "kind": "arxiv",
    "version": 2
  }
}