Pith Number

pith:3VAD5VON

pith:2021:3VAD5VONTFZ2TGSBTH4FFX7PYG

not attested not anchored not stored refs pending

MarIA: Spanish Language Models

Aitor Gonzalez-Agirre, Asier Guti\'errez-Fandi\~no, Carlos Rodriguez-Penagos, Carme Armentano-Oller, Casimiro Pio Carrino, Joan Llop-Palao, Joaqu\'in Silveira-Ocampo, Jordi Armengol-Estap\'e, Marc P\`amies, Marta Villegas

arxiv:2107.07253 v5 · 2021-07-15 · cs.CL · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3VAD5VONTFZ2TGSBTH4FFX7PYG}

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	2026-07-05T04:11:25.384248Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd403ed5cd9973a99a4199f852dfefc18034e139d1bb4bc0a6712b75d193ed8f

Aliases

arxiv: 2107.07253 · arxiv_version: 2107.07253v5 · doi: 10.48550/arxiv.2107.07253 · pith_short_12: 3VAD5VONTFZ2 · pith_short_16: 3VAD5VONTFZ2TGSB · pith_short_8: 3VAD5VON

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/3VAD5VONTFZ2TGSBTH4FFX7PYG \
  | 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: dd403ed5cd9973a99a4199f852dfefc18034e139d1bb4bc0a6712b75d193ed8f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f48de4bb36d7e91d23afc3e6b63f62b97537b06278834ef0208f7ef76aff7dfc",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2021-07-15T11:23:05Z",
    "title_canon_sha256": "0edd69eea4066f9c40d5c6e9f9965c7aa89a648eab0709fd9434449f50f7dedb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.07253",
    "kind": "arxiv",
    "version": 5
  }
}