Pith Number

pith:IPYWO34J

pith:2018:IPYWO34JAJH5OX3BYPNFDIJUB2

not attested not anchored not stored refs pending

Technological research in the EU is less efficient than the world average. EU research policy risks Europeans' future

Alonso Rodriguez-Navarro, Ricardo Brito

arxiv:1802.06633 v2 · 2018-02-19 · cs.DL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{IPYWO34JAJH5OX3BYPNFDIJUB2}

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	2026-05-18T00:12:13.846488Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

43f1676f89024fd75f61c3da51a1340e8e2e07d31f38b6179fa4a428fc55d137

Aliases

arxiv: 1802.06633 · arxiv_version: 1802.06633v2 · doi: 10.48550/arxiv.1802.06633 · pith_short_12: IPYWO34JAJH5 · pith_short_16: IPYWO34JAJH5OX3B · pith_short_8: IPYWO34J

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/IPYWO34JAJH5OX3BYPNFDIJUB2 \
  | 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: 43f1676f89024fd75f61c3da51a1340e8e2e07d31f38b6179fa4a428fc55d137

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4f6707851339ca8949773e9f60d8857325d999ca8eb477de2e1db26f8c8e3566",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-02-19T14:10:12Z",
    "title_canon_sha256": "c442aab255ad3d5c3a735fa76ae4a3f936bb66ac6fb010330ac97beba4468778"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.06633",
    "kind": "arxiv",
    "version": 2
  }
}