Pith Number

pith:HWDJ4XB2

pith:2019:HWDJ4XB2ZDJKIIG6WS2CYH7IID

not attested not anchored not stored refs pending

Cui Prodest? Reciprocity of collaboration measured by Russian Index of Science Citation

Ekaterinburg, Mark Akoev (Ural Federal University, Moscow, Olga Moskaleva (Saint Petersburg State University, Russia), St. Petersburg, Vladimir Pislyakov (National Research University Higher School of Economics

arxiv:1907.05521 v1 · 2019-07-11 · 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{HWDJ4XB2ZDJKIIG6WS2CYH7IID}

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	2026-05-17T23:40:48.099236Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3d869e5c3ac8d2a420deb4b42c1fe840d7cbf4dd617ce73b3ed0e4d33347095f

Aliases

arxiv: 1907.05521 · arxiv_version: 1907.05521v1 · doi: 10.48550/arxiv.1907.05521 · pith_short_12: HWDJ4XB2ZDJK · pith_short_16: HWDJ4XB2ZDJKIIG6 · pith_short_8: HWDJ4XB2

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/HWDJ4XB2ZDJKIIG6WS2CYH7IID \
  | 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: 3d869e5c3ac8d2a420deb4b42c1fe840d7cbf4dd617ce73b3ed0e4d33347095f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdee40dbc39055e1ccdc6ae3f3a638d48078be3179d24f734af029e5f0d0c726",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2019-07-11T23:29:07Z",
    "title_canon_sha256": "fc388d26a640fec15fca33b70947333665f468d8d3770975f66b5163c146e3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.05521",
    "kind": "arxiv",
    "version": 1
  }
}