Pith Number

pith:4WBAS5CX

pith:2018:4WBAS5CX7IPDH7YYSCSFNO4E32

not attested not anchored not stored refs pending

The measurement of italian universities' research productivity by a non parametric-bibliometric methodology

Ciriaco Andrea D'Angelo, Fabio Pugini, Giovanni Abramo

arxiv:1812.08506 v1 · 2018-12-20 · 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{4WBAS5CX7IPDH7YYSCSFNO4E32}

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	2026-05-17T23:57:49.792247Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e582097457fa1e33ff1890a456bb84deb671bcad51c2e2ccaf03df0198f30452

Aliases

arxiv: 1812.08506 · arxiv_version: 1812.08506v1 · doi: 10.48550/arxiv.1812.08506 · pith_short_12: 4WBAS5CX7IPD · pith_short_16: 4WBAS5CX7IPDH7YY · pith_short_8: 4WBAS5CX

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/4WBAS5CX7IPDH7YYSCSFNO4E32 \
  | 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: e582097457fa1e33ff1890a456bb84deb671bcad51c2e2ccaf03df0198f30452

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "02bf4f3c9698527cc7db71ed3b7f9c151fa2d7c70edcc85e503780eae2fd6340",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-20T12:03:44Z",
    "title_canon_sha256": "1b9b75a1bf118fa350923f0a8764540dc1cb0829d5084a3ad431282634753fd6"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08506",
    "kind": "arxiv",
    "version": 1
  }
}