Pith Number

pith:RX4ZU3CG

pith:2014:RX4ZU3CGQF6UNPPGKK2Z2V7RHS

not attested not anchored not stored refs pending

The Scientific Competitiveness of Nations

Andrea Gabrielli, Francesco Sylos Labini, Giulio Cimini

arxiv:1409.5698 v2 · 2014-09-19 · physics.soc-ph · 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{RX4ZU3CGQF6UNPPGKK2Z2V7RHS}

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	2026-05-18T01:41:59.518401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8df99a6c46817d46bde652b59d57f13ca954ba586be16a077ef6b3234e344621

Aliases

arxiv: 1409.5698 · arxiv_version: 1409.5698v2 · doi: 10.48550/arxiv.1409.5698 · pith_short_12: RX4ZU3CGQF6U · pith_short_16: RX4ZU3CGQF6UNPPG · pith_short_8: RX4ZU3CG

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/RX4ZU3CGQF6UNPPGKK2Z2V7RHS \
  | 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: 8df99a6c46817d46bde652b59d57f13ca954ba586be16a077ef6b3234e344621

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24d61c2e82408f8f3a0b9d03ea3c4ffae88c17a490d2848891806330c635b6ba",
    "cross_cats_sorted": [
      "cs.DL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-09-19T15:28:35Z",
    "title_canon_sha256": "af610c9b0f5582d8565a34f3a8ec600bd1ff76c8ffd83623f767002171f21a15"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.5698",
    "kind": "arxiv",
    "version": 2
  }
}