Pith Number

pith:EZZSJ2KF

pith:2018:EZZSJ2KFIRSRJSPWUMMA3XU2IN

not attested not anchored not stored refs pending

Inefficiency in selecting products for submission to national research assessment exercises

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

arxiv:1810.12839 v1 · 2018-10-30 · 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{EZZSJ2KFIRSRJSPWUMMA3XU2IN}

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	2026-05-18T00:01:54.017536Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

267324e945446514c9f6a3180dde9a4340c4e4934688b838faa7fcc83aec0ee1

Aliases

arxiv: 1810.12839 · arxiv_version: 1810.12839v1 · doi: 10.48550/arxiv.1810.12839 · pith_short_12: EZZSJ2KFIRSR · pith_short_16: EZZSJ2KFIRSRJSPW · pith_short_8: EZZSJ2KF

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/EZZSJ2KFIRSRJSPWUMMA3XU2IN \
  | 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: 267324e945446514c9f6a3180dde9a4340c4e4934688b838faa7fcc83aec0ee1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7d63c183cb8fe56540fabf991ede37d313e21a9280ab90c56d93c1c1c37e3131",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-10-30T16:22:37Z",
    "title_canon_sha256": "dfb7e83e5577460a8baa7ec79216e2c12b7378814a9b35e814f27c4e5c15e279"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1810.12839",
    "kind": "arxiv",
    "version": 1
  }
}