pith. sign in
Pith Number

pith:D3PLELP4

pith:2013:D3PLELP4G3D5AWAPVAVKFKBZVX
not attested not anchored not stored refs pending

Graph Logics with Rational Relations

Diego Figueira, Leonid Libkin, Pablo Barcelo

arxiv:1304.4150 v2 · 2013-04-15 · cs.FL

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{D3PLELP4G3D5AWAPVAVKFKBZVX}

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 2026-05-17T23:51:24.040685Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

1edeb22dfc36c7d0580fa82aa2a839add956bd5342b297b082ad2fe5a8d04e3a

Aliases

arxiv: 1304.4150 · arxiv_version: 1304.4150v2 · doi: 10.48550/arxiv.1304.4150 · pith_short_12: D3PLELP4G3D5 · pith_short_16: D3PLELP4G3D5AWAP · pith_short_8: D3PLELP4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/D3PLELP4G3D5AWAPVAVKFKBZVX \
  | 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: 1edeb22dfc36c7d0580fa82aa2a839add956bd5342b297b082ad2fe5a8d04e3a
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f47e9c658f781aa2a4c76c3fae0f55294c0b60719829eaaafaa28c1d56aa2ced",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.FL",
    "submitted_at": "2013-04-15T16:15:58Z",
    "title_canon_sha256": "30d927bbd455a6ec5c34edc0c18b49fd8cf32b77953f6d43e49bf86824cb6930"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.4150",
    "kind": "arxiv",
    "version": 2
  }
}