Pith Number

pith:PLCVEOP4

pith:2010:PLCVEOP4TQ7V2PYLZMMWGFQKG3

not attested not anchored not stored refs pending

A hybrid learning algorithm for text classification

Farhana Haider, S. M. Kamruzzaman

arxiv:1009.4574 v1 · 2010-09-23 · cs.NE · cs.IR · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{PLCVEOP4TQ7V2PYLZMMWGFQKG3}

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	2026-05-18T04:40:21.404425Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7ac55239fc9c3f5d3f0bcb1963160a36dd57810124b5c84c115adb8e02104d99

Aliases

arxiv: 1009.4574 · arxiv_version: 1009.4574v1 · doi: 10.48550/arxiv.1009.4574 · pith_short_12: PLCVEOP4TQ7V · pith_short_16: PLCVEOP4TQ7V2PYL · pith_short_8: PLCVEOP4

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/PLCVEOP4TQ7V2PYLZMMWGFQKG3 \
  | 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: 7ac55239fc9c3f5d3f0bcb1963160a36dd57810124b5c84c115adb8e02104d99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "da6875328a8a54b499bbfb4665406538d711ad862d6f63665cb736d2deee4bb9",
    "cross_cats_sorted": [
      "cs.IR",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NE",
    "submitted_at": "2010-09-23T10:50:06Z",
    "title_canon_sha256": "92a0610d72c62c9780a300751de621942e61ee36d33f242452935cee1d5f0099"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1009.4574",
    "kind": "arxiv",
    "version": 1
  }
}