Pith Number

pith:IAMZFETZ

pith:2018:IAMZFETZBTSQHOMS7V4IGCHYHK

not attested not anchored not stored refs pending

Assessing technical and cost efficiency of research activities: A case study of the Italian university system

Ciriaco Andrea D'Angelo, Giovanni Abramo

arxiv:1812.07845 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{IAMZFETZBTSQHOMS7V4IGCHYHK}

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	2026-05-17T23:57:55.781918Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

40199292790ce503b992fd788308f83ab3cb3640a6014ce42b7980e13e053357

Aliases

arxiv: 1812.07845 · arxiv_version: 1812.07845v1 · doi: 10.48550/arxiv.1812.07845 · pith_short_12: IAMZFETZBTSQ · pith_short_16: IAMZFETZBTSQHOMS · pith_short_8: IAMZFETZ

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/IAMZFETZBTSQHOMS7V4IGCHYHK \
  | 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: 40199292790ce503b992fd788308f83ab3cb3640a6014ce42b7980e13e053357

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6522310ba2d1e705e31be2280c9cf0f1cd59120d66451587012c9e2711b15d73",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-12-19T09:48:55Z",
    "title_canon_sha256": "f9c73fb88652378e471042fd808ce2f1665eb4888699fcd943b453a3cf64e0a4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1812.07845",
    "kind": "arxiv",
    "version": 1
  }
}