Pith Number

pith:KTYR2OJG

pith:2017:KTYR2OJGPJQU2LQNNGHZIFYIHQ

not attested not anchored not stored refs pending

Counterexample-guided Abstraction Refinement for POMDPs

Bo Wu, Hai Lin, Xiaobin Zhang

arxiv:1701.06209 v4 · 2017-01-22 · cs.LO · cs.SY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KTYR2OJGPJQU2LQNNGHZIFYIHQ}

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	2026-05-18T00:48:59.444733Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

54f11d39267a614d2e0d698f9417083c04cb8713ae35ef6e62f921dc4cea6919

Aliases

arxiv: 1701.06209 · arxiv_version: 1701.06209v4 · doi: 10.48550/arxiv.1701.06209 · pith_short_12: KTYR2OJGPJQU · pith_short_16: KTYR2OJGPJQU2LQN · pith_short_8: KTYR2OJG

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/KTYR2OJGPJQU2LQNNGHZIFYIHQ \
  | 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: 54f11d39267a614d2e0d698f9417083c04cb8713ae35ef6e62f921dc4cea6919

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a5043b9d90a299aeb5450215f993fc13270629e498b6bc32bc0542bd815d145",
    "cross_cats_sorted": [
      "cs.SY"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-01-22T19:20:00Z",
    "title_canon_sha256": "3cc4d64b4d8ddcfc59930809564dc8772904f441384c41105867e3b443ba9a10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1701.06209",
    "kind": "arxiv",
    "version": 4
  }
}