Pith Number

pith:HSWK7DWV

pith:2013:HSWK7DWVH7FTUCEE3GIP7Z4KGM

not attested not anchored not stored refs pending

Iterative Isotonic Regression

Arnaud Guyader, Eric Matzner-L{\o}ber, Nick Hengartner, Nicolas J\'egou

arxiv:1303.4288 v1 · 2013-03-18 · 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{HSWK7DWVH7FTUCEE3GIP7Z4KGM}

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	2026-05-18T01:09:33.068577Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3cacaf8ed53fcb3a0884d990ffe78a333b5aec43b8caa868b623f0878ba5545a

Aliases

arxiv: 1303.4288 · arxiv_version: 1303.4288v1 · doi: 10.48550/arxiv.1303.4288 · pith_short_12: HSWK7DWVH7FT · pith_short_16: HSWK7DWVH7FTUCEE · pith_short_8: HSWK7DWV

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/HSWK7DWVH7FTUCEE3GIP7Z4KGM \
  | 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: 3cacaf8ed53fcb3a0884d990ffe78a333b5aec43b8caa868b623f0878ba5545a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c40b6fd1f5b8783942760c4de2f23c16ce84450d8355fe9c9779fd4787242972",
    "cross_cats_sorted": [
      "stat.TH"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.ST",
    "submitted_at": "2013-03-18T15:31:32Z",
    "title_canon_sha256": "d6f8465b747fe989a2faac2b519ad0050aca67b794435b720ae19f86f4d76cc5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4288",
    "kind": "arxiv",
    "version": 1
  }
}