Pith Number

pith:LWSOU5SY

pith:2020:LWSOU5SYCHVNNAKICIAFPHYLKF

not attested not anchored not stored refs pending

Optimally estimating the sample standard deviation from the five-number summary

Dehui Luo, Haitao Chu, Hong Weng, Jiandong Shi, Lu Lin, Tiejun Tong, Xian-Tao Zeng

arxiv:2003.02130 v2 · 2020-03-03 · 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{LWSOU5SYCHVNNAKICIAFPHYLKF}

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	2026-07-05T01:10:58.208795Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

5da4ea765811ead681481200579f0b516c9f3253bf0006e094857435e3f14422

Aliases

arxiv: 2003.02130 · arxiv_version: 2003.02130v2 · doi: 10.48550/arxiv.2003.02130 · pith_short_12: LWSOU5SYCHVN · pith_short_16: LWSOU5SYCHVNNAKI · pith_short_8: LWSOU5SY

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/LWSOU5SYCHVNNAKICIAFPHYLKF \
  | 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: 5da4ea765811ead681481200579f0b516c9f3253bf0006e094857435e3f14422

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d2576d9b548e0d07e59466a04a42a9a2e37107db8ec8df95196774c437c28236",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2020-03-03T11:32:33Z",
    "title_canon_sha256": "ef51b76914e57a7599035767031ad3bbec1cdb83d3dae2f3e4e20585732765ba"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2003.02130",
    "kind": "arxiv",
    "version": 2
  }
}