Pith Number

pith:7V52KCKI

pith:2013:7V52KCKIF2XTKMKAGNSORJZBA7

not attested not anchored not stored refs pending

The Rise and Fall of R&D Networks

Antonios Garas, Frank Schweitzer, Mario Vincenzo Tomasello, Mauro Napoletano

arxiv:1304.3623 v7 · 2013-04-12 · physics.soc-ph · cs.SI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7V52KCKIF2XTKMKAGNSORJZBA7}

Prints a linked badge after your title and injects PDF metadata. Compiles on arXiv. Learn more

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	2026-05-18T00:38:36.872016Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd7ba509482eaf3531403364e8a72107f28bd8d587a087258794246d117d1b98

Aliases

arxiv: 1304.3623 · arxiv_version: 1304.3623v7 · doi: 10.48550/arxiv.1304.3623 · pith_short_12: 7V52KCKIF2XT · pith_short_16: 7V52KCKIF2XTKMKA · pith_short_8: 7V52KCKI

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/7V52KCKIF2XTKMKAGNSORJZBA7 \
  | 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: fd7ba509482eaf3531403364e8a72107f28bd8d587a087258794246d117d1b98

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "66a418763a481cacca14ea2dda143dfd6fc9f21704b1d0717be131e362f8e099",
    "cross_cats_sorted": [
      "cs.SI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2013-04-12T12:58:36Z",
    "title_canon_sha256": "64847f2b7567832d0c3a4efc98e88d2978abcbb6662bce3e0bc54247cb5e79ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.3623",
    "kind": "arxiv",
    "version": 7
  }
}