Pith Number

pith:BDWAKJAG

pith:2011:BDWAKJAGIDQFBH2D4KWS4XT4OT

not attested not anchored not stored refs pending

Estimation of scale functions to model heteroscedasticity by support vector machines

Andreas Christmann, Robert Hable

arxiv:1111.1830 v1 · 2011-11-08 · stat.ML · 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{BDWAKJAGIDQFBH2D4KWS4XT4OT}

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	2026-05-18T04:09:24.638342Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

08ec05240640e0509f43e2ad2e5e7c74de422d7528e5f72d7d40920f1dd06251

Aliases

arxiv: 1111.1830 · arxiv_version: 1111.1830v1 · doi: 10.48550/arxiv.1111.1830 · pith_short_12: BDWAKJAGIDQF · pith_short_16: BDWAKJAGIDQFBH2D · pith_short_8: BDWAKJAG

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/BDWAKJAGIDQFBH2D4KWS4XT4OT \
  | 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: 08ec05240640e0509f43e2ad2e5e7c74de422d7528e5f72d7d40920f1dd06251

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1d188b71803d628b22c18fb92d50ae3f03d3f64899b4fbe2d3c1da5b90b053b5",
    "cross_cats_sorted": [
      "stat.ME"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2011-11-08T08:51:17Z",
    "title_canon_sha256": "6d9e0b038db24c0ff84002b10b78832176799d37e1b85211f3e135c8eb95f05d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1111.1830",
    "kind": "arxiv",
    "version": 1
  }
}