Pith Number

pith:XIZRG4QG

pith:2021:XIZRG4QGXDHBX6IGC4KAEV5F2V

not attested not anchored not stored refs pending

Entropy Maximization for Partially Observable Markov Decision Processes

Bo Wu, Michael Hibbard, Takashi Tanaka, Ufuk Topcu, Yagiz Savas

arxiv:2105.07490 v1 · 2021-05-16 · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{XIZRG4QGXDHBX6IGC4KAEV5F2V}

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	2026-07-05T02:40:41.220764Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ba33137206b8ce1bf90617140257a5d56ba9b423b254e4b9e8a26dc01f3efb17

Aliases

arxiv: 2105.07490 · arxiv_version: 2105.07490v1 · doi: 10.48550/arxiv.2105.07490 · pith_short_12: XIZRG4QGXDHB · pith_short_16: XIZRG4QGXDHBX6IG · pith_short_8: XIZRG4QG

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/XIZRG4QGXDHBX6IGC4KAEV5F2V \
  | 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: ba33137206b8ce1bf90617140257a5d56ba9b423b254e4b9e8a26dc01f3efb17

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c9d08ea7b636b389863aac7c7295d8ec7326bf5f27965a98641918df57fbeb64",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.OC",
    "submitted_at": "2021-05-16T18:27:42Z",
    "title_canon_sha256": "eb274102112cba258139a51a4f1e89fe246f2c9f3ff85e21f87a0e2812bbb072"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2105.07490",
    "kind": "arxiv",
    "version": 1
  }
}