Pith Number

pith:LROPSYJC

pith:2018:LROPSYJCUL3YP7PBV5WEVSYLID

not attested not anchored not stored refs pending

A sensitivity analysis of research institutions' productivity rankings to the time of citation observation

Ciriaco Andrea D'Angelo, Giovanni Abramo, Tindaro Cicero

arxiv:1811.01699 v1 · 2018-11-05 · 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{LROPSYJCUL3YP7PBV5WEVSYLID}

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	2026-05-18T00:01:33.546413Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c5cf96122a2f787fde1af6c4acb0b40c77cbdd6e8f7ac7d75c536327a41ae81

Aliases

arxiv: 1811.01699 · arxiv_version: 1811.01699v1 · doi: 10.48550/arxiv.1811.01699 · pith_short_12: LROPSYJCUL3Y · pith_short_16: LROPSYJCUL3YP7PB · pith_short_8: LROPSYJC

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/LROPSYJCUL3YP7PBV5WEVSYLID \
  | 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: 5c5cf96122a2f787fde1af6c4acb0b40c77cbdd6e8f7ac7d75c536327a41ae81

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f657f3208c0657f1dfd81e3c3c246e3d46223b49f3fe6b53cb99fd0fc3f3a9c0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-11-05T14:10:53Z",
    "title_canon_sha256": "9a73368d8c91549d14db989b0b240e3778632a8e57cfe512e9264591be5c32a3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1811.01699",
    "kind": "arxiv",
    "version": 1
  }
}