Pith Number

pith:7LOJUN6S

pith:2018:7LOJUN6SQ7WIZGLDEMER6CTVPA

not attested not anchored not stored refs pending

Specialization vs diversification in research activities: the extent, intensity and relatedness of field diversification by individual scientists

Ciriaco Andrea D'Angelo, Flavia Di Costa, Giovanni Abramo

arxiv:1812.10521 v1 · 2018-12-21 · 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{7LOJUN6SQ7WIZGLDEMER6CTVPA}

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	2026-05-17T23:57:20.826046Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fadc9a37d287ec8c996323091f0a757836fa993d153a2f30fa78f9d7e1e04025

Aliases

arxiv: 1812.10521 · arxiv_version: 1812.10521v1 · doi: 10.48550/arxiv.1812.10521 · pith_short_12: 7LOJUN6SQ7WI · pith_short_16: 7LOJUN6SQ7WIZGLD · pith_short_8: 7LOJUN6S

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/7LOJUN6SQ7WIZGLDEMER6CTVPA \
  | 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: fadc9a37d287ec8c996323091f0a757836fa993d153a2f30fa78f9d7e1e04025

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bbf520ae9fff34ab7104dcfcb5df6f1addeab1a86526642821c5e8cd7aea738f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-21T14:33:54Z",
    "title_canon_sha256": "c40f3e3cfec10f639887f9ba54440707e3c276050aafd400e4a3466442656d0e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.10521",
    "kind": "arxiv",
    "version": 1
  }
}