Pith Number

pith:5B4I4IRU

pith:2012:5B4I4IRUU7OHM2EPWDR4JE7RSL

not attested not anchored not stored refs pending

Discretized Approximations for POMDP with Average Cost

Dimitri Bertsekas, Huizhen Yu

arxiv:1207.4154 v1 · 2012-07-11 · cs.AI · cs.SY · 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{5B4I4IRUU7OHM2EPWDR4JE7RSL}

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	2026-05-18T03:50:47.595580Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e8788e2234a7dc76688fb0e3c493f192d474931cb85bbfe917d7ad546113a7b0

Aliases

arxiv: 1207.4154 · arxiv_version: 1207.4154v1 · doi: 10.48550/arxiv.1207.4154 · pith_short_12: 5B4I4IRUU7OH · pith_short_16: 5B4I4IRUU7OHM2EP · pith_short_8: 5B4I4IRU

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/5B4I4IRUU7OHM2EPWDR4JE7RSL \
  | 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: e8788e2234a7dc76688fb0e3c493f192d474931cb85bbfe917d7ad546113a7b0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "69085ca27c8cb6f25795ea0a76b3336f46a983b5bf9c38a6fb11245e134f8fdf",
    "cross_cats_sorted": [
      "cs.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2012-07-11T14:59:42Z",
    "title_canon_sha256": "d33276053113e5e63f79c5e092e89d490214eb49b74d5c4b91baecf8c50ab558"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1207.4154",
    "kind": "arxiv",
    "version": 1
  }
}