Pith Number

pith:XZZWIXUX

pith:2015:XZZWIXUXE7YVFWQXYGXHHJKPWX

not attested not anchored not stored refs pending

Just Sort It! A Simple and Effective Approach to Active Preference Learning

Lucas Maystre, Matthias Grossglauser

arxiv:1502.05556 v2 · 2015-02-19 · stat.ML · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XZZWIXUXE7YVFWQXYGXHHJKPWX}

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	2026-05-18T00:42:18.989225Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

be73645e9727f152da17c1ae73a54fb5dab68e3aea20006b3fa99ae9ed903dcc

Aliases

arxiv: 1502.05556 · arxiv_version: 1502.05556v2 · doi: 10.48550/arxiv.1502.05556 · pith_short_12: XZZWIXUXE7YV · pith_short_16: XZZWIXUXE7YVFWQX · pith_short_8: XZZWIXUX

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/XZZWIXUXE7YVFWQXYGXHHJKPWX \
  | 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: be73645e9727f152da17c1ae73a54fb5dab68e3aea20006b3fa99ae9ed903dcc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "984066de1776e3e5c2c245d2371826eec65eaa7694f60a4d8f83bc515b642aaf",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2015-02-19T12:50:13Z",
    "title_canon_sha256": "d841eef3c266f1e391f8fd644164613fe9d6b0a74a61377032348c46e89d926b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1502.05556",
    "kind": "arxiv",
    "version": 2
  }
}