Pith Number

pith:FMMOLLRM

pith:2018:FMMOLLRMZKTIRMIHKKZSNWB3XD

not attested not anchored not stored refs pending

On the satisfiability problem for fragments of the two-variable logic with one transitive relation

Lidia Tendera, Wies{\l}aw Szwast

arxiv:1804.09447 v3 · 2018-04-25 · 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{FMMOLLRMZKTIRMIHKKZSNWB3XD}

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	2026-05-17T23:49:05.806570Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2b18e5ae2ccaa688b10752b326d83bb8dbad21af299909cd6f3d6299c2808e48

Aliases

arxiv: 1804.09447 · arxiv_version: 1804.09447v3 · doi: 10.48550/arxiv.1804.09447 · pith_short_12: FMMOLLRMZKTI · pith_short_16: FMMOLLRMZKTIRMIH · pith_short_8: FMMOLLRM

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/FMMOLLRMZKTIRMIHKKZSNWB3XD \
  | 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: 2b18e5ae2ccaa688b10752b326d83bb8dbad21af299909cd6f3d6299c2808e48

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d707f71f67c97596a9c0771020c7c9734f0af44010a39f8c5deb34f70dbe608",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-25T09:28:59Z",
    "title_canon_sha256": "b3d198fe852e2afbb3200665edcf16e92705ea6b31202425cee2b625137c5564"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.09447",
    "kind": "arxiv",
    "version": 3
  }
}