Pith Number

pith:T34KJFOD

pith:2012:T34KJFODA3X5X72EY23B437QA4

not attested not anchored not stored refs pending

Bellman Error Based Feature Generation using Random Projections on Sparse Spaces

Amir-massoud Farahmand, Doina Precup, Joelle Pineau, Mahdi MIlani Fard, Yuri Grinberg

arxiv:1207.5554 v3 · 2012-07-23 · 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{T34KJFODA3X5X72EY23B437QA4}

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	2026-05-18T03:45:00.097373Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9ef8a495c306efdbff44c6b61e6ff0070877dc8619c79e46adf97ed7008847b0

Aliases

arxiv: 1207.5554 · arxiv_version: 1207.5554v3 · doi: 10.48550/arxiv.1207.5554 · pith_short_12: T34KJFODA3X5 · pith_short_16: T34KJFODA3X5X72E · pith_short_8: T34KJFOD

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/T34KJFODA3X5X72EY23B437QA4 \
  | 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: 9ef8a495c306efdbff44c6b61e6ff0070877dc8619c79e46adf97ed7008847b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "99297aa2753edfbdf4f3c3fe0275677feab823a28afa22cabfe1bb7eab645f56",
    "cross_cats_sorted": [
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-07-23T22:39:51Z",
    "title_canon_sha256": "adf371f2e72ce1008a7f76695c84196eee833c792b02bd1114008267420d0acb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.5554",
    "kind": "arxiv",
    "version": 3
  }
}