Pith Number

pith:IM5WPG3T

pith:2020:IM5WPG3TAGNBYWQMLJRSDUQJOY

not attested not anchored not stored refs pending

Overview of CAPITEL Shared Tasks at IberLEF 2020: Named Entity Recognition and Universal Dependencies Parsing

Jordi Porta-Zamorano, Luis Espinosa-Anke

arxiv:2011.05932 v1 · 2020-11-11 · 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{IM5WPG3TAGNBYWQMLJRSDUQJOY}

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	2026-07-05T01:51:02.963447Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

433b679b73019a1c5a0c5a6321d2097628ef572d479240ad438c2b0ab9d36462

Aliases

arxiv: 2011.05932 · arxiv_version: 2011.05932v1 · doi: 10.48550/arxiv.2011.05932 · pith_short_12: IM5WPG3TAGNB · pith_short_16: IM5WPG3TAGNBYWQM · pith_short_8: IM5WPG3T

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/IM5WPG3TAGNBYWQMLJRSDUQJOY \
  | 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: 433b679b73019a1c5a0c5a6321d2097628ef572d479240ad438c2b0ab9d36462

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17aae0ff2b2a7436b11f27a6317a6b0fb12833b320f1db7c373c7937cda2c38c",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CL",
    "submitted_at": "2020-11-11T17:44:57Z",
    "title_canon_sha256": "790518e98eeb9a274f64dd9264ac3533ce9c6154cf10bcb7f66763ca7f9ddcdb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2011.05932",
    "kind": "arxiv",
    "version": 1
  }
}