Pith Number

pith:SWQRYSB4

pith:2019:SWQRYSB4AY42LPDSF5QVQRKQCW

not attested not anchored not stored refs pending

Optimal block designs for experiments on networks

Ben M. Parker, Steven G. Gilmour, Vasiliki Koutra

arxiv:1902.01352 v2 · 2019-02-04 · stat.ME

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SWQRYSB4AY42LPDSF5QVQRKQCW}

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	2026-07-05T00:21:32.688990Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95a11c483c0639a5bc722f61584550159ca7472d702ce455b22733aac035a079

Aliases

arxiv: 1902.01352 · arxiv_version: 1902.01352v2 · doi: 10.48550/arxiv.1902.01352 · pith_short_12: SWQRYSB4AY42 · pith_short_16: SWQRYSB4AY42LPDS · pith_short_8: SWQRYSB4

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/SWQRYSB4AY42LPDSF5QVQRKQCW \
  | 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: 95a11c483c0639a5bc722f61584550159ca7472d702ce455b22733aac035a079

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c51636488d0a3ae3279b76cde3e624161665d72eaa45364583f9e6a3100db683",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2019-02-04T18:14:37Z",
    "title_canon_sha256": "2092f08edf63e68be44dd6703900cb731fc1335393f04d87151a298b79220270"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.01352",
    "kind": "arxiv",
    "version": 2
  }
}