Pith Number

pith:Q22XJFTW

pith:2018:Q22XJFTWFJ4FCRVYLUFOF43W3L

not attested not anchored not stored refs pending

Hypothesis testing near singularities and boundaries

Elizabeth S. Allman, John A. Rhodes, Jonathan D. Mitchell

arxiv:1806.08458 v1 · 2018-06-22 · math.ST · q-bio.PE · stat.TH

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{Q22XJFTWFJ4FCRVYLUFOF43W3L}

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	2026-05-18T00:12:37.236840Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

86b57496762a785146b85d0ae2f376dacf1404e2a40264769ef18bb2eeecb846

Aliases

arxiv: 1806.08458 · arxiv_version: 1806.08458v1 · doi: 10.48550/arxiv.1806.08458 · pith_short_12: Q22XJFTWFJ4F · pith_short_16: Q22XJFTWFJ4FCRVY · pith_short_8: Q22XJFTW

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/Q22XJFTWFJ4FCRVYLUFOF43W3L \
  | 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: 86b57496762a785146b85d0ae2f376dacf1404e2a40264769ef18bb2eeecb846

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c0cfd75097b993337b877f564221fdaf07c943edaf12fc1cd8d683c77a85d84c",
    "cross_cats_sorted": [
      "q-bio.PE",
      "stat.TH"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2018-06-22T00:20:20Z",
    "title_canon_sha256": "e399a9983e7b317371397861e4fcf3786da79d3d46fe02d2f22f7729f97931ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.08458",
    "kind": "arxiv",
    "version": 1
  }
}