Pith Number

pith:LRQ2Z5PA

pith:2022:LRQ2Z5PA6VRBL6GWWRMGKODU2U

not attested not anchored not stored refs pending

An empirical exploration of the diversified R ecosystem

Tian-Yuan Huang, Zhilan Lou

arxiv:2201.04982 v5 · 2022-01-13 · stat.OT

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LRQ2Z5PA6VRBL6GWWRMGKODU2U}

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	2026-05-20T00:02:44.432780Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5c61acf5e0f56215f8d6b458653874d538880021395c76993a77d54caa1de8b6

Aliases

arxiv: 2201.04982 · arxiv_version: 2201.04982v5 · doi: 10.48550/arxiv.2201.04982 · pith_short_12: LRQ2Z5PA6VRB · pith_short_16: LRQ2Z5PA6VRBL6GW · pith_short_8: LRQ2Z5PA

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/LRQ2Z5PA6VRBL6GWWRMGKODU2U \
  | 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: 5c61acf5e0f56215f8d6b458653874d538880021395c76993a77d54caa1de8b6

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2df8bb6df8cde87aaf022aa26b9833276e639c77bde9ad1176fd21ff50536038",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.OT",
    "submitted_at": "2022-01-13T13:40:18Z",
    "title_canon_sha256": "e585fc1ada89005b6d2345cedb971781e153508e910ff7d6364a476bc28613db"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2201.04982",
    "kind": "arxiv",
    "version": 5
  }
}