Pith Number

pith:C2GOTKRX

pith:2011:C2GOTKRXK6EF5TKSFEUCGVCJ3V

not attested not anchored not stored refs pending

Complexity of two-variable Dependence Logic and IF-Logic

Antti Kuusisto, Jonni Virtema, Juha Kontinen, Peter Lohmann

arxiv:1104.3148 v1 · 2011-04-15 · cs.LO · cs.CC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{C2GOTKRXK6EF5TKSFEUCGVCJ3V}

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	2026-05-18T04:24:05.686615Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

168ce9aa3757885ecd522928235449dd7dec4a6af9b53886bdd7ac53f53a18d2

Aliases

arxiv: 1104.3148 · arxiv_version: 1104.3148v1 · doi: 10.48550/arxiv.1104.3148 · pith_short_12: C2GOTKRXK6EF · pith_short_16: C2GOTKRXK6EF5TKS · pith_short_8: C2GOTKRX

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/C2GOTKRXK6EF5TKSFEUCGVCJ3V \
  | 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: 168ce9aa3757885ecd522928235449dd7dec4a6af9b53886bdd7ac53f53a18d2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "98fd7562b92a2d8511d4533494029673486ed2e26cc78796d5ad9e79179ba600",
    "cross_cats_sorted": [
      "cs.CC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2011-04-15T20:13:14Z",
    "title_canon_sha256": "1c762048c8c74eb9fea59d8d196ece5b709f851e14b6ea16076bd622995d2c9d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1104.3148",
    "kind": "arxiv",
    "version": 1
  }
}