Pith Number

pith:4ILYKDEI

pith:2018:4ILYKDEIYBX4TL4BY25B3ZXXE5

not attested not anchored not stored refs pending

The collaboration behaviors of scientists in Italy: a field level analysis

Ciriaco Andrea D'Angelo, Gianluca Murgia, Giovanni Abramo

arxiv:1812.08522 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{4ILYKDEIYBX4TL4BY25B3ZXXE5}

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	2026-05-17T23:57:49.743204Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e217850c88c06fc9af81c6ba1de6f7274268003437d49d3087bd4abf6d785d5e

Aliases

arxiv: 1812.08522 · arxiv_version: 1812.08522v1 · doi: 10.48550/arxiv.1812.08522 · pith_short_12: 4ILYKDEIYBX4 · pith_short_16: 4ILYKDEIYBX4TL4B · pith_short_8: 4ILYKDEI

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/4ILYKDEIYBX4TL4BY25B3ZXXE5 \
  | 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: e217850c88c06fc9af81c6ba1de6f7274268003437d49d3087bd4abf6d785d5e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "75a4e9c4ff3b92c86f7dcefac31dad74a26fed053bcd1cb45af133947cf3aa92",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-20T12:34:50Z",
    "title_canon_sha256": "5d31abe2af57c136c1ed2200587dd98d7c4b911a60ff6b6dd1859f4888af4570"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.08522",
    "kind": "arxiv",
    "version": 1
  }
}