Pith Number

pith:EA3UPQNW

pith:2018:EA3UPQNWFQNF6DLAY72TYRQLIH

not attested not anchored not stored refs pending

A new bibliometric approach to assess the scientific specialization of regions

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

arxiv:1812.08507 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{EA3UPQNWFQNF6DLAY72TYRQLIH}

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	2026-05-17T23:57:49.784150Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

203747c1b62c1a5f0d60c7f53c460b41f1057dd5724939ba39014f0da7deb4b0

Aliases

arxiv: 1812.08507 · arxiv_version: 1812.08507v1 · doi: 10.48550/arxiv.1812.08507 · pith_short_12: EA3UPQNWFQNF · pith_short_16: EA3UPQNWFQNF6DLA · pith_short_8: EA3UPQNW

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/EA3UPQNWFQNF6DLAY72TYRQLIH \
  | 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: 203747c1b62c1a5f0d60c7f53c460b41f1057dd5724939ba39014f0da7deb4b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "91be28bf00180b319f56e753d8ec775074e4fd86bdb6c70c85b547d3c84e5e9b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-20T12:09:59Z",
    "title_canon_sha256": "b2de66d2d4cbd94f69c42423998279630f325602459247b5391f6ce31b8cc35e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08507",
    "kind": "arxiv",
    "version": 1
  }
}