Pith Number

pith:QNFT33YX

pith:2014:QNFT33YXHUT3NB7XQPFQ6BFXTH

not attested not anchored not stored refs pending

The role of endogenous and exogenous mechanisms in the formation of R&D networks

Claudio Juan Tessone, Frank Schweitzer, Mario Vincenzo Tomasello, M\'arton Karsai, Nicola Perra

arxiv:1403.4106 v2 · 2014-03-17 · physics.soc-ph · 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{QNFT33YXHUT3NB7XQPFQ6BFXTH}

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	2026-05-18T02:47:33.059701Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

834b3def173d27b687f783cb0f04b799c190fe964975c4410a9821a5e55aefdb

Aliases

arxiv: 1403.4106 · arxiv_version: 1403.4106v2 · doi: 10.48550/arxiv.1403.4106 · pith_short_12: QNFT33YXHUT3 · pith_short_16: QNFT33YXHUT3NB7X · pith_short_8: QNFT33YX

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/QNFT33YXHUT3NB7XQPFQ6BFXTH \
  | 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: 834b3def173d27b687f783cb0f04b799c190fe964975c4410a9821a5e55aefdb

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "549bbd10f5a6859233653a1cc7537ef38183d8280505f657642fd66ad778acd6",
    "cross_cats_sorted": [
      "cs.SI",
      "physics.data-an"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.soc-ph",
    "submitted_at": "2014-03-17T14:21:08Z",
    "title_canon_sha256": "91716f3d9585957a9ed0b114a136ea54a9e32ceb1efb1c20f1be6178f04e7aaf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1403.4106",
    "kind": "arxiv",
    "version": 2
  }
}