Pith Number

pith:UYIXF3R5

pith:2015:UYIXF3R5QWOHJRWZYLEU2HXSFZ

not attested not anchored not stored refs pending

Regroupement s\'emantique de d\'efinitions en espagnol

Alejandro Molina, Gerardo Sierra, Juan-Manuel Torres-Moreno

arxiv:1501.04920 v1 · 2015-01-20 · cs.IR · cs.CL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{UYIXF3R5QWOHJRWZYLEU2HXSFZ}

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	2026-05-18T02:29:01.974187Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a61172ee3d859c74c6d9c2c94d1ef22e695c83ffcab41be3ded1de66d2dc7d84

Aliases

arxiv: 1501.04920 · arxiv_version: 1501.04920v1 · doi: 10.48550/arxiv.1501.04920 · pith_short_12: UYIXF3R5QWOH · pith_short_16: UYIXF3R5QWOHJRWZ · pith_short_8: UYIXF3R5

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/UYIXF3R5QWOHJRWZYLEU2HXSFZ \
  | 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: a61172ee3d859c74c6d9c2c94d1ef22e695c83ffcab41be3ded1de66d2dc7d84

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5ae143c4fbb3e25c326069f33d29e9f5e69a1e01ea6de9e09c5c6d8d8eacc255",
    "cross_cats_sorted": [
      "cs.CL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.IR",
    "submitted_at": "2015-01-20T19:01:20Z",
    "title_canon_sha256": "41a9ddea0507d84f1ac10520334394b312eb2ef2f5cd4da69ebe15b2af0c37f7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1501.04920",
    "kind": "arxiv",
    "version": 1
  }
}