Pith Number

pith:AF6SHBC3

pith:2013:AF6SHBC37DPKZWONJAFQPTFXG5

not attested not anchored not stored refs pending

Estimation Stability with Cross Validation (ESCV)

Bin Yu, Chinghway Lim

arxiv:1303.3128 v2 · 2013-03-13 · stat.ME · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AF6SHBC37DPKZWONJAFQPTFXG5}

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	2026-05-18T01:29:13.581500Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

017d23845bf8deacd9cd480b07ccb73750039a0370e0b77e34fad63a97100181

Aliases

arxiv: 1303.3128 · arxiv_version: 1303.3128v2 · doi: 10.48550/arxiv.1303.3128 · pith_short_12: AF6SHBC37DPK · pith_short_16: AF6SHBC37DPKZWON · pith_short_8: AF6SHBC3

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/AF6SHBC37DPKZWONJAFQPTFXG5 \
  | 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: 017d23845bf8deacd9cd480b07ccb73750039a0370e0b77e34fad63a97100181

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d8704bdfa19a172922024c599aa0c365c2c52639cf68697c47c52dabeffe413c",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ME",
    "submitted_at": "2013-03-13T10:47:42Z",
    "title_canon_sha256": "17d2a71e0564c5ad69d20b74b889b9e656cec157b33b86fc4eb100e0399dcefa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.3128",
    "kind": "arxiv",
    "version": 2
  }
}