Pith Number

pith:SFHHO6D4

pith:2016:SFHHO6D4VOAWKDYQO7FTTHNTEC

not attested not anchored not stored refs pending

On Hodges' Superefficiency and Merits of Oracle Property in Model Selection

Xianyi Wu, Xian Zhou

arxiv:1608.03081 v2 · 2016-08-10 · math.ST · 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{SFHHO6D4VOAWKDYQO7FTTHNTEC}

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	2026-05-18T00:11:00.714960Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

914e77787cab81650f1077cb399db32093c1a579faf340ac7bb8252b1405be2d

Aliases

arxiv: 1608.03081 · arxiv_version: 1608.03081v2 · doi: 10.48550/arxiv.1608.03081 · pith_short_12: SFHHO6D4VOAW · pith_short_16: SFHHO6D4VOAWKDYQ · pith_short_8: SFHHO6D4

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/SFHHO6D4VOAWKDYQO7FTTHNTEC \
  | 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: 914e77787cab81650f1077cb399db32093c1a579faf340ac7bb8252b1405be2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aea0dd28d646bb08befbd1f755759d77b60ef4f97970f1c8fa60c36253201c6",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2016-08-10T08:33:59Z",
    "title_canon_sha256": "45bdc62256a881b118fff5439202712586b599eea235a421c7940429f047cf3e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1608.03081",
    "kind": "arxiv",
    "version": 2
  }
}