Pith Number

pith:FZDMPNTX

pith:2018:FZDMPNTXWMTYFCG5ARMHRMZXVB

not attested not anchored not stored refs pending

DCDistance: A Supervised Text Document Feature extraction based on class labels

Charles Henrique Porto Ferreira, Debora Maria Rossi de Medeiros, Fabricio Olivetti de Fran\c{c}a

arxiv:1801.04554 v1 · 2018-01-14 · cs.IR · cs.CL · 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{FZDMPNTXWMTYFCG5ARMHRMZXVB}

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	2026-05-18T00:26:04.044928Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2e46c7b677b3278288dd045878b337a85eaf7ee6bf5da0671863ce675fd2e2cb

Aliases

arxiv: 1801.04554 · arxiv_version: 1801.04554v1 · doi: 10.48550/arxiv.1801.04554 · pith_short_12: FZDMPNTXWMTY · pith_short_16: FZDMPNTXWMTYFCG5 · pith_short_8: FZDMPNTX

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/FZDMPNTXWMTYFCG5ARMHRMZXVB \
  | 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: 2e46c7b677b3278288dd045878b337a85eaf7ee6bf5da0671863ce675fd2e2cb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62c06f8a56935e75bd8be9b93e39f46b2186a79f88efc1147fc244d7d68b3f57",
    "cross_cats_sorted": [
      "cs.CL",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2018-01-14T13:28:19Z",
    "title_canon_sha256": "67a838a60db80fe6a369d912e67f6fd3c6f3d5b23d580b7a6099555ff65fa1f1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1801.04554",
    "kind": "arxiv",
    "version": 1
  }
}