Pith Number

pith:KVBQQUSA

pith:2013:KVBQQUSA4EJT3V4ITHQM4AXPJB

not attested not anchored not stored refs pending

Is Europe Evolving Toward an Integrated Research Area?

Alessandro Chessa, Alexander M. Petersen, Andrea Morescalchi, Fabio Pammolli, Massimo Riccaboni, Orion Penner

arxiv:1302.3126 v1 · 2013-02-13 · physics.soc-ph · cs.DL · cs.SI · physics.data-an

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KVBQQUSA4EJT3V4ITHQM4AXPJB}

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	2026-05-18T03:33:48.655890Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5543085240e1133dd78899e0ce02ef486ad22cb5075050c755b73600875084f3

Aliases

arxiv: 1302.3126 · arxiv_version: 1302.3126v1 · doi: 10.48550/arxiv.1302.3126 · pith_short_12: KVBQQUSA4EJT · pith_short_16: KVBQQUSA4EJT3V4I · pith_short_8: KVBQQUSA

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/KVBQQUSA4EJT3V4ITHQM4AXPJB \
  | 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: 5543085240e1133dd78899e0ce02ef486ad22cb5075050c755b73600875084f3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82b825096f7a7124d9cea04b03fb06ed4a2fc34a2828c4f12dce2daecfc09a5f",
    "cross_cats_sorted": [
      "cs.DL",
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-02-13T14:47:05Z",
    "title_canon_sha256": "9c3ec4905c7648f0f791d0e1ea5e1e34f5e163e74c3958dc5f636ac170886679"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1302.3126",
    "kind": "arxiv",
    "version": 1
  }
}