Pith Number

pith:WUW4RYJM

pith:2012:WUW4RYJMI34XDHE7UBAR5W6YM3

not attested not anchored not stored refs pending

Hilbert Space Embeddings of POMDPs

Abdeslam Boularias, Arthur Gretton, Kenji Fukumizu, Yu Nishiyama

arxiv:1210.4887 v1 · 2012-10-16 · cs.LG · cs.AI · 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{WUW4RYJMI34XDHE7UBAR5W6YM3}

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	2026-05-18T03:42:55.167898Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b52dc8e12c46f9719c9fa0411edbd866fbbc382db192bb083cce0e28b97f26bf

Aliases

arxiv: 1210.4887 · arxiv_version: 1210.4887v1 · doi: 10.48550/arxiv.1210.4887 · pith_short_12: WUW4RYJMI34X · pith_short_16: WUW4RYJMI34XDHE7 · pith_short_8: WUW4RYJM

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/WUW4RYJMI34XDHE7UBAR5W6YM3 \
  | 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: b52dc8e12c46f9719c9fa0411edbd866fbbc382db192bb083cce0e28b97f26bf

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "5008aa9d13fee3bd56cfc0e44167c49c9632022671a948df7ec1af6539f36499",
    "cross_cats_sorted": [
      "cs.AI",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2012-10-16T17:46:07Z",
    "title_canon_sha256": "03b39f2f46acdef4b07cc5134c29fdff5bc17eb80e82e29a4a853a07f184e9d3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1210.4887",
    "kind": "arxiv",
    "version": 1
  }
}