Pith Number

pith:4GN76EPY

pith:2018:4GN76EPYE3JGBZLCCMZ3NBNMWK

not attested not anchored not stored refs pending

A national-scale cross-time analysis of university research performance

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

arxiv:1811.01773 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{4GN76EPYE3JGBZLCCMZ3NBNMWK}

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	2026-05-18T00:01:33.295993Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e19bff11f826d260e5621333b685acb291a97b50f161828d23dca422257f0a13

Aliases

arxiv: 1811.01773 · arxiv_version: 1811.01773v1 · doi: 10.48550/arxiv.1811.01773 · pith_short_12: 4GN76EPYE3JG · pith_short_16: 4GN76EPYE3JGBZLC · pith_short_8: 4GN76EPY

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/4GN76EPYE3JGBZLCCMZ3NBNMWK \
  | 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: e19bff11f826d260e5621333b685acb291a97b50f161828d23dca422257f0a13

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "54d7602a1e104b43b4806b1bff8c5d68d08683cb6c0cf718f3084bbe0b3b1963",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-11-05T15:06:25Z",
    "title_canon_sha256": "cdb8b1a36ca80aa26531e1fd7046de7eda0418935c9689e074355f3512072161"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01773",
    "kind": "arxiv",
    "version": 1
  }
}