Pith Number

pith:GQ2SXK5O

pith:2026:GQ2SXK5O5T6KI5WENG6SPJ2UOJ

not attested not anchored not stored refs pending

Bayesian Optimal Sample Design for Surveys with Heteroscedasticity

Jonathan Mendelson, Michael R. Elliott

arxiv:2607.21775 v1 · 2026-07-23 · 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{GQ2SXK5O5T6KI5WENG6SPJ2UOJ}

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	2026-07-27T00:20:20.307328Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

34352babaeecfca476c469bd27a754725e99ead950c5d9f5fd2c374809968db2

Aliases

arxiv: 2607.21775 · arxiv_version: 2607.21775v1 · doi: 10.48550/arxiv.2607.21775 · pith_short_12: GQ2SXK5O5T6K · pith_short_16: GQ2SXK5O5T6KI5WE · pith_short_8: GQ2SXK5O

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/GQ2SXK5O5T6KI5WENG6SPJ2UOJ \
  | 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: 34352babaeecfca476c469bd27a754725e99ead950c5d9f5fd2c374809968db2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "cdce3ea97eab3d9870950fb8eb6cb22c14af0a846eaa8fa796bb4260c53cda3e",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/publicdomain/zero/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2026-07-23T19:43:56Z",
    "title_canon_sha256": "86d6dbd3a27e9ddc8b9968025931285769545e0e043053c729fde79db2865165"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.21775",
    "kind": "arxiv",
    "version": 1
  }
}