Pith Number

pith:NCM5I7XA

pith:2018:NCM5I7XALCDVMU6PNSCGC5X6H6

not attested not anchored not stored refs pending

Binary reachability of timed pushdown automata via quantifier elimination and cyclic order atoms

Lorenzo Clemente, S{\l}awomir Lasota

arxiv:1804.10772 v1 · 2018-04-28 · cs.FL · 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{NCM5I7XALCDVMU6PNSCGC5X6H6}

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	2026-05-18T00:17:15.609033Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

6899d47ee058875653cf6c846176fe3fb8877f8a47b5fcf33a212be1292432e1

Aliases

arxiv: 1804.10772 · arxiv_version: 1804.10772v1 · doi: 10.48550/arxiv.1804.10772 · pith_short_12: NCM5I7XALCDV · pith_short_16: NCM5I7XALCDVMU6P · pith_short_8: NCM5I7XA

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/NCM5I7XALCDVMU6PNSCGC5X6H6 \
  | 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: 6899d47ee058875653cf6c846176fe3fb8877f8a47b5fcf33a212be1292432e1

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f9431c9b9b03f81e2e548c1162cc883db539b7ebd325f0868bede91d22809b75",
    "cross_cats_sorted": [
      "cs.LO"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2018-04-28T09:37:39Z",
    "title_canon_sha256": "a80a40a78548a61cd6bb1ecb447065c19e4bfc8198cd34f97469d43bf8e43588"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.10772",
    "kind": "arxiv",
    "version": 1
  }
}