pith. sign in
Pith Number

pith:NVFMYFEB

pith:2018:NVFMYFEBRFFQEIHTWG7PCYHVSP
not attested not anchored not stored refs pending

Exploration of reproducibility issues in scientometric research Part 1: Direct reproducibility

Andrea Scharnhorst, Jesper Wiborg Schneider, Ludo Waltman, Sybille Hinze, Theresa Velden

arxiv:1804.05024 v1 · 2018-04-13 · cs.DL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{NVFMYFEBRFFQEIHTWG7PCYHVSP}

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 2026-05-18T00:18:32.470265Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

6d4acc1481894b0220f3b1bef160f593f1ba537285fcd9c644765c3973eaa39d

Aliases

arxiv: 1804.05024 · arxiv_version: 1804.05024v1 · doi: 10.48550/arxiv.1804.05024 · pith_short_12: NVFMYFEBRFFQ · pith_short_16: NVFMYFEBRFFQEIHT · pith_short_8: NVFMYFEB
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/NVFMYFEBRFFQEIHTWG7PCYHVSP \
  | 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: 6d4acc1481894b0220f3b1bef160f593f1ba537285fcd9c644765c3973eaa39d
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "80c090a8f62e73a45cf0afba73fc4fdc8417f5746c1d4334f9913052a6b3801b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-04-13T16:49:38Z",
    "title_canon_sha256": "89efccc34241c9315acf4fdc21ad30ae6aeb3d89801a1b6f3ba9d68f2d0d71a5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.05024",
    "kind": "arxiv",
    "version": 1
  }
}