pith. sign in
Pith Number

pith:WZUPHCXV

pith:2018:WZUPHCXVFYPD6HSBVYFMWDRE5H
not attested not anchored not stored refs pending

Symmetries of Quantified Boolean Formulas

Manuel Kauers, Martina Seidl

arxiv:1802.03993 v1 · 2018-02-12 · cs.LO · cs.SC

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{WZUPHCXVFYPD6HSBVYFMWDRE5H}

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 2026-05-18T00:23:49.780692Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

b668f38af52e1e3f1e41ae0acb0e24e9c586ca2418bdfcfdd81d5fb1a5a249b4

Aliases

arxiv: 1802.03993 · arxiv_version: 1802.03993v1 · doi: 10.48550/arxiv.1802.03993 · pith_short_12: WZUPHCXVFYPD · pith_short_16: WZUPHCXVFYPD6HSB · pith_short_8: WZUPHCXV
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/WZUPHCXVFYPD6HSBVYFMWDRE5H \
  | 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: b668f38af52e1e3f1e41ae0acb0e24e9c586ca2418bdfcfdd81d5fb1a5a249b4
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "b8375cd13b9cb83f66e302aeaab48271c227562fe94a67738b60868a83c8ed17",
    "cross_cats_sorted": [
      "cs.SC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-02-12T11:49:42Z",
    "title_canon_sha256": "29c83a2afc18dcf6696e7d8e8ac4fcccf485a649074c1174b32e8e4d2ed86124"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1802.03993",
    "kind": "arxiv",
    "version": 1
  }
}