Pith Number

pith:AQFKISEK

pith:2017:AQFKISEK3XNQCW2WVVGFWJRCTB

not attested not anchored not stored refs pending

An Automated Text Categorization Framework based on Hyperparameter Optimization

Daniela Moctezuma, Eric S. Tellez, Mario Graff, Sabino Miranda-J\'imenez

arxiv:1704.01975 v2 · 2017-04-06 · cs.CL · cs.AI · 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{AQFKISEK3XNQCW2WVVGFWJRCTB}

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	2026-05-18T00:35:09.173637Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

040aa4488adddb015b56ad4c5b262298449e46847dbf1c65e2c8e81693d4531d

Aliases

arxiv: 1704.01975 · arxiv_version: 1704.01975v2 · doi: 10.48550/arxiv.1704.01975 · pith_short_12: AQFKISEK3XNQ · pith_short_16: AQFKISEK3XNQCW2W · pith_short_8: AQFKISEK

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/AQFKISEK3XNQCW2WVVGFWJRCTB \
  | 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: 040aa4488adddb015b56ad4c5b262298449e46847dbf1c65e2c8e81693d4531d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "664d4d68f81c51427468fe128ca75458338e8c34fa1e97c136484810ab74c2da",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2017-04-06T18:01:22Z",
    "title_canon_sha256": "cbdf9c6f1450d1677abcb8b4c45380541b824401088738f368c5f8dd7f495fbb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1704.01975",
    "kind": "arxiv",
    "version": 2
  }
}