Pith Number

pith:S5NHMTKT

pith:2014:S5NHMTKTBR2NGI6P5HP2JETQGK

not attested not anchored not stored refs pending

The Advantage of Cross Entropy over Entropy in Iterative Information Gathering

Johannes Kulick, Marc Toussaint, Robert Lieck

arxiv:1409.7552 v2 · 2014-09-26 · 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{S5NHMTKTBR2NGI6P5HP2JETQGK}

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	2026-05-18T01:32:57.774030Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

975a764d530c74d323cfe9dfa49270328d08b41fc288a5c254c7e9c01f5be0d9

Aliases

arxiv: 1409.7552 · arxiv_version: 1409.7552v2 · doi: 10.48550/arxiv.1409.7552 · pith_short_12: S5NHMTKTBR2N · pith_short_16: S5NHMTKTBR2NGI6P · pith_short_8: S5NHMTKT

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/S5NHMTKTBR2NGI6P5HP2JETQGK \
  | 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: 975a764d530c74d323cfe9dfa49270328d08b41fc288a5c254c7e9c01f5be0d9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "47d59475bf25b73fa6b265e23e32f591d2fa6f335d5e55f95dfa82fc388296fc",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "stat.ML",
    "submitted_at": "2014-09-26T12:25:33Z",
    "title_canon_sha256": "4ac28feeb05c127ff43ad0a91216fa57c9707230ffd45d7ec131bfdca90f1283"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1409.7552",
    "kind": "arxiv",
    "version": 2
  }
}