Pith Number

pith:7S7L3MTD

pith:2018:7S7L3MTD7M2KJIUIRJ3HETFIEY

not attested not anchored not stored refs pending

Are researchers that collaborate more at the international level top performers? An investigation on the Italian university system

Ciriaco Andrea D'Angelo, Giovanni Abramo, Marco Solazzi

arxiv:1811.01796 v1 · 2018-11-05 · 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{7S7L3MTD7M2KJIUIRJ3HETFIEY}

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	2026-05-18T00:01:33.233438Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fcbebdb263fb34a4a2888a76724ca82623ac4eb2b9bc132a6818ac362e6c5ae4

Aliases

arxiv: 1811.01796 · arxiv_version: 1811.01796v1 · doi: 10.48550/arxiv.1811.01796 · pith_short_12: 7S7L3MTD7M2K · pith_short_16: 7S7L3MTD7M2KJIUI · pith_short_8: 7S7L3MTD

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/7S7L3MTD7M2KJIUIRJ3HETFIEY \
  | 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: fcbebdb263fb34a4a2888a76724ca82623ac4eb2b9bc132a6818ac362e6c5ae4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "a817f34a6dbf516ef75b043d0bdf515a5105437a3d5c509189d3c68e62894632",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-11-05T15:35:00Z",
    "title_canon_sha256": "e8521371fdd1a9fd6bf2fa12851b98b8b52aafa1d0f42e6973d8fccf28c4760c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01796",
    "kind": "arxiv",
    "version": 1
  }
}