Pith Number

pith:DEMKVWJA

pith:2013:DEMKVWJANEZW4FZU4ZDZO6I2XK

not attested not anchored not stored refs pending

A systematic comparison of supervised classifiers

C. H. Comin, D. Casanova, D. R. Amancio, F. A. Rodrigues, G. Travieso, L. da F. Costa, O. M. Bruno

arxiv:1311.0202 v1 · 2013-10-17 · 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{DEMKVWJANEZW4FZU4ZDZO6I2XK}

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	2026-05-18T02:53:17.448749Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1918aad92069336e1734e64797791abaa6926a447d818776110c255209009cb9

Aliases

arxiv: 1311.0202 · arxiv_version: 1311.0202v1 · doi: 10.48550/arxiv.1311.0202 · pith_short_12: DEMKVWJANEZW · pith_short_16: DEMKVWJANEZW4FZU · pith_short_8: DEMKVWJA

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/DEMKVWJANEZW4FZU4ZDZO6I2XK \
  | 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: 1918aad92069336e1734e64797791abaa6926a447d818776110c255209009cb9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a2f82b67d01981a6106b66bb4e6ab37459f9d885a3d9d3d5c5bb878645aef4ed",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2013-10-17T03:44:18Z",
    "title_canon_sha256": "4b58e6cf2b847a3de32a811bd6ae94ad992a17569e99488002114faeda037f3d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1311.0202",
    "kind": "arxiv",
    "version": 1
  }
}