Pith Number

pith:VRNMSKJP

pith:2011:VRNMSKJPHYFUHV7KTH6EURMBLB

not attested not anchored not stored refs pending

Separation of Test-Free Propositional Dynamic Logics over Context-Free Languages

Markus Latte

arxiv:1106.1242 v1 · 2011-06-07 · cs.LO

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VRNMSKJPHYFUHV7KTH6EURMBLB}

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	2026-05-18T04:20:24.172834Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac5ac9292f3e0b43d7ea99fc4a45815848a8df5f74624fe86cda8911a0a13d68

Aliases

arxiv: 1106.1242 · arxiv_version: 1106.1242v1 · doi: 10.48550/arxiv.1106.1242 · pith_short_12: VRNMSKJPHYFU · pith_short_16: VRNMSKJPHYFUHV7K · pith_short_8: VRNMSKJP

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/VRNMSKJPHYFUHV7KTH6EURMBLB \
  | 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: ac5ac9292f3e0b43d7ea99fc4a45815848a8df5f74624fe86cda8911a0a13d68

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0a0777584b07a912fb381f8d987213a05d786a256b3f254a790fdb5386f8e508",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-06-07T01:07:17Z",
    "title_canon_sha256": "49f3336b7cca7fab932fe349aa5ef3237dd366cd07e0f16eb63c1d3dc6e0ae91"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1106.1242",
    "kind": "arxiv",
    "version": 1
  }
}