Pith Number

pith:LIIV3I5P

pith:2018:LIIV3I5PBGIS6JSBAD2CX5VK3W

not attested not anchored not stored refs pending

National-scale research performance assessment at the individual level

Ciriaco Andrea D'Angelo, Giovanni Abramo

arxiv:1811.01794 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{LIIV3I5PBGIS6JSBAD2CX5VK3W}

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	2026-05-18T00:01:33.239548Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5a115da3af09912f264100f42bf6aaddb2ee6df07d8c7eee796002680f7110c5

Aliases

arxiv: 1811.01794 · arxiv_version: 1811.01794v1 · doi: 10.48550/arxiv.1811.01794 · pith_short_12: LIIV3I5PBGIS · pith_short_16: LIIV3I5PBGIS6JSB · pith_short_8: LIIV3I5P

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/LIIV3I5PBGIS6JSBAD2CX5VK3W \
  | 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: 5a115da3af09912f264100f42bf6aaddb2ee6df07d8c7eee796002680f7110c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "17305999891021da31ea404bfca5b1317567e8dbc466c47578be39fce30d01d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-11-05T15:32:54Z",
    "title_canon_sha256": "b8cb794f8d856bedbd6ceee75989d9428c2ed5c08b7899d6e27bee7ab4c32c13"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01794",
    "kind": "arxiv",
    "version": 1
  }
}