Pith Number

pith:D44JRSMF

pith:2011:D44JRSMFMERIWR3ZKN435NKDQ7

not attested not anchored not stored refs pending

Parallel Online Learning

Alex Smola, Daniel Hsu, John Langford, Nikos Karampatziakis

arxiv:1103.4204 v1 · 2011-03-22 · 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{D44JRSMFMERIWR3ZKN435NKDQ7}

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	2026-05-18T04:26:21.370681Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1f3898c98561228b47795379beb54387ca9d20a7bd3ab44fe898bf2a7048ed80

Aliases

arxiv: 1103.4204 · arxiv_version: 1103.4204v1 · doi: 10.48550/arxiv.1103.4204 · pith_short_12: D44JRSMFMERI · pith_short_16: D44JRSMFMERIWR3Z · pith_short_8: D44JRSMF

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/D44JRSMFMERIWR3ZKN435NKDQ7 \
  | 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: 1f3898c98561228b47795379beb54387ca9d20a7bd3ab44fe898bf2a7048ed80

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "45a47907caa888b459eba369f0c5280799992b8fa2de3bbed7c972d816e1c7c8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2011-03-22T04:54:35Z",
    "title_canon_sha256": "92c0a787b01d03fbd0d31531e0b67d42523692c0e89e7787356d387a4743b0c2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1103.4204",
    "kind": "arxiv",
    "version": 1
  }
}