Pith Number

pith:NLNRKUCE

pith:2018:NLNRKUCERGECJ7LQC54AMZYRVT

not attested not anchored not stored refs pending

Black Open Access in Ukraine: Analysis of Downloading Sci-Hub Publications by Ukrainian Internet Users

Serhii Nazarovets

arxiv:1804.08479 v1 · 2018-04-23 · 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{NLNRKUCERGECJ7LQC54AMZYRVT}

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	2026-05-18T00:17:48.222895Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6adb155044898824fd701778066711acca8f7bc7de0659c6eea60c688758aa47

Aliases

arxiv: 1804.08479 · arxiv_version: 1804.08479v1 · doi: 10.48550/arxiv.1804.08479 · pith_short_12: NLNRKUCERGEC · pith_short_16: NLNRKUCERGECJ7LQ · pith_short_8: NLNRKUCE

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/NLNRKUCERGECJ7LQC54AMZYRVT \
  | 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: 6adb155044898824fd701778066711acca8f7bc7de0659c6eea60c688758aa47

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e21c2f07b4d248e96a1671aae7c0f2d124dd9b01b8609b4c5bbac8d5b958c8b9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2018-04-23T14:44:55Z",
    "title_canon_sha256": "f3c09bc5bf566f07ae7437dc583a857774dcceb1484c013ca5590e7fda807465"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.08479",
    "kind": "arxiv",
    "version": 1
  }
}