Pith Number

pith:EVKURIUJ

pith:2011:EVKURIUJY4H6NK3G6UQSPASFS5

not attested not anchored not stored refs pending

Learning to Order Things

R. E. Schapire, W. W. Cohen, Y. Singer

arxiv:1105.5464 v1 · 2011-05-27 · cs.LG · cs.AI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EVKURIUJY4H6NK3G6UQSPASFS5}

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	2026-05-18T04:21:11.642723Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

255548a289c70fe6ab66f5212782459752eb509b12c0f06ffe4f4a1ad74e3ca0

Aliases

arxiv: 1105.5464 · arxiv_version: 1105.5464v1 · doi: 10.48550/arxiv.1105.5464 · pith_short_12: EVKURIUJY4H6 · pith_short_16: EVKURIUJY4H6NK3G · pith_short_8: EVKURIUJ

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/EVKURIUJY4H6NK3G6UQSPASFS5 \
  | 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: 255548a289c70fe6ab66f5212782459752eb509b12c0f06ffe4f4a1ad74e3ca0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6edb099056138db1c2a34b87042b514072c8d8543c6fac1f9c96d448c8997ea1",
    "cross_cats_sorted": [
      "cs.AI"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-05-27T01:54:11Z",
    "title_canon_sha256": "1adc4d0ced2f6e4c6e2ba852e1555ad2628c85fd0d835fd28c0ba7444f418d58"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1105.5464",
    "kind": "arxiv",
    "version": 1
  }
}