Pith Number

pith:5UIEIOKP

pith:2018:5UIEIOKPVM2IV6JQ45KPLOYSMI

not attested not anchored not stored refs pending

Short Proofs for Some Symmetric Quantified Boolean Formulas

Manuel Kauers, Martina Seidl

arxiv:1804.01437 v1 · 2018-04-04 · 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{5UIEIOKPVM2IV6JQ45KPLOYSMI}

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	2026-05-18T00:19:15.047471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed1044394fab348af930e754f5bb126239f16a35ee7968823e5884d53e37b05c

Aliases

arxiv: 1804.01437 · arxiv_version: 1804.01437v1 · doi: 10.48550/arxiv.1804.01437 · pith_short_12: 5UIEIOKPVM2I · pith_short_16: 5UIEIOKPVM2IV6JQ · pith_short_8: 5UIEIOKP

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/5UIEIOKPVM2IV6JQ45KPLOYSMI \
  | 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: ed1044394fab348af930e754f5bb126239f16a35ee7968823e5884d53e37b05c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "65d35695f90535deea5b31d973067fbfe713e7c629c7056b53f0874c8fc8e06e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-04T14:35:55Z",
    "title_canon_sha256": "74ce8733afa6dd8b7f80a9db2b91d61aec50f1b3d122135583021945cd5d2e0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.01437",
    "kind": "arxiv",
    "version": 1
  }
}