Pith Number

pith:U2FUT6AS

pith:2016:U2FUT6ASA5ANRYING7R55FPM7L

not attested not anchored not stored refs pending

Online Isotonic Regression

Alan Malek, Wojciech Kot{\l}owski, Wouter M. Koolen

arxiv:1603.04190 v2 · 2016-03-14 · cs.LG · 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{U2FUT6ASA5ANRYING7R55FPM7L}

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	2026-05-18T01:02:59.120376Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

a68b49f8120740d8e10d37e3de95ecfae6ee0c8dff9d43c974e2038da26e0e99

Aliases

arxiv: 1603.04190 · arxiv_version: 1603.04190v2 · doi: 10.48550/arxiv.1603.04190 · pith_short_12: U2FUT6ASA5AN · pith_short_16: U2FUT6ASA5ANRYIN · pith_short_8: U2FUT6AS

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/U2FUT6ASA5ANRYING7R55FPM7L \
  | 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: a68b49f8120740d8e10d37e3de95ecfae6ee0c8dff9d43c974e2038da26e0e99

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6c5dcad666e32f36833243df8cf42d84ee4eb2be0d104971ec77d8b848bac085",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2016-03-14T10:26:23Z",
    "title_canon_sha256": "39adc0b5e0540afc5eb0b7224cd6c959860cc3be640ef6aeb468f3eded586577"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.04190",
    "kind": "arxiv",
    "version": 2
  }
}