Pith Number

pith:WQOBQUE7

pith:2026:WQOBQUE7NRYYHZPATYTTGL7S7N

not attested not anchored not stored refs pending

Evolution of bilateral and multilateral collaboration of EU-14 countries across disciplines, 2010-2024

Myroslava Hladchenko

arxiv:2606.06330 v1 · 2026-06-04 · 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{WQOBQUE7NRYYHZPATYTTGL7S7N}

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	2026-06-05T01:15:42.048892Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b41c18509f6c7183e5e09e27332ff2fb67096be63c820158edfcedaabe7cb504

Aliases

arxiv: 2606.06330 · arxiv_version: 2606.06330v1 · doi: 10.48550/arxiv.2606.06330 · pith_short_12: WQOBQUE7NRYY · pith_short_16: WQOBQUE7NRYYHZPA · pith_short_8: WQOBQUE7

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/WQOBQUE7NRYYHZPATYTTGL7S7N \
  | 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: b41c18509f6c7183e5e09e27332ff2fb67096be63c820158edfcedaabe7cb504

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b4f7f4952f16a6b13135dacaa3cea8a5a0a98b4e64cfdfa97ec5204c2067c302",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DL",
    "submitted_at": "2026-06-04T16:04:32Z",
    "title_canon_sha256": "341ec587d193c3f55206fd4aef6e8abb9351ae7bdcb94c84e66e48a7bb0d56fc"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.06330",
    "kind": "arxiv",
    "version": 1
  }
}