Pith Number

pith:LBLTVTCA

pith:2021:LBLTVTCA4KFBBJJPPCJQDFUGLK

not attested not anchored not stored refs pending

Parameterized Complexity of Elimination Distance to First-Order Logic Properties

Dimitrios M. Thilikos, Fedor V. Fomin, Petr A. Golovach

arxiv:2104.02998 v1 · 2021-04-07 · cs.LO · cs.CC · cs.DM · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{LBLTVTCA4KFBBJJPPCJQDFUGLK}

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	2026-07-05T02:30:01.799908Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

58573acc40e28a10a52f78930196865a8fe9566990c6cae8a4ae563fd98bff59

Aliases

arxiv: 2104.02998 · arxiv_version: 2104.02998v1 · doi: 10.48550/arxiv.2104.02998 · pith_short_12: LBLTVTCA4KFB · pith_short_16: LBLTVTCA4KFBBJJP · pith_short_8: LBLTVTCA

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/LBLTVTCA4KFBBJJPPCJQDFUGLK \
  | 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: 58573acc40e28a10a52f78930196865a8fe9566990c6cae8a4ae563fd98bff59

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b6dda04b67b3b7562aa15cf5f4db98df7d0be1e2a8850b8fb9a365fe43ca2a4d",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.DM",
      "cs.DS"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2021-04-07T08:55:36Z",
    "title_canon_sha256": "81184dfc6f15adf766200b4c90d509e45117be44efb3f0c702e3c2013b8e37d2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2104.02998",
    "kind": "arxiv",
    "version": 1
  }
}