Pith Number

pith:2DFHJHES

pith:2019:2DFHJHESGI6G6PY66Q2STOWCGC

not attested not anchored not stored refs pending

Authorship analysis of specialized vs diversified research output

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

arxiv:1905.02464 v1 · 2019-05-07 · 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{2DFHJHESGI6G6PY66Q2STOWCGC}

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	2026-05-17T23:46:51.370110Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d0ca749c92323c6f3f1ef43529bac2309737594bcef59a67b0c971ccbcf14152

Aliases

arxiv: 1905.02464 · arxiv_version: 1905.02464v1 · doi: 10.48550/arxiv.1905.02464 · pith_short_12: 2DFHJHESGI6G · pith_short_16: 2DFHJHESGI6G6PY6 · pith_short_8: 2DFHJHES

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/2DFHJHESGI6G6PY66Q2STOWCGC \
  | 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: d0ca749c92323c6f3f1ef43529bac2309737594bcef59a67b0c971ccbcf14152

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9e0767adde6462d8e8e207634c73851c0789fa1654e341a52cb7eaccca75a7d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-05-07T10:54:43Z",
    "title_canon_sha256": "0174c1cdf63b291a116f7087d0de2c1c9081fd38c50648318aa8af6cc3014d7b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1905.02464",
    "kind": "arxiv",
    "version": 1
  }
}