Pith Number

pith:AEZQPLKA

pith:2018:AEZQPLKAXBVKITAFPSGMFDT42J

not attested not anchored not stored refs pending

Mapping excellence in national research systems: the case of Italy

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

arxiv:1812.07840 v1 · 2018-12-19 · 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{AEZQPLKAXBVKITAFPSGMFDT42J}

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	2026-05-17T23:57:55.814192Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

013307ad40b86aa44c057c8cc28e7cd262e535d2b01cc29f0f2cb6b1adfa8541

Aliases

arxiv: 1812.07840 · arxiv_version: 1812.07840v1 · doi: 10.48550/arxiv.1812.07840 · pith_short_12: AEZQPLKAXBVK · pith_short_16: AEZQPLKAXBVKITAF · pith_short_8: AEZQPLKA

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/AEZQPLKAXBVKITAFPSGMFDT42J \
  | 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: 013307ad40b86aa44c057c8cc28e7cd262e535d2b01cc29f0f2cb6b1adfa8541

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b322e4e9873e9e35124eaa566ab653cf82ebf490168bf6e4792a47336f2e0599",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-19T09:37:09Z",
    "title_canon_sha256": "f5420432370a1caabb9506c7a533b1ac8cdafe50ba79792e4df5298c65cec8af"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07840",
    "kind": "arxiv",
    "version": 1
  }
}