Pith Number

pith:GG6WYORC

pith:2018:GG6WYORCIV4AQJKK5WAZXPY7Z4

not attested not anchored not stored refs pending

QRAT+: Generalizing QRAT by a More Powerful QBF Redundancy Property

Florian Lonsing, Uwe Egly

arxiv:1804.02908 v2 · 2018-04-09 · 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{GG6WYORCIV4AQJKK5WAZXPY7Z4}

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	2026-05-18T00:08:59.980954Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31bd6c3a22457808254aed819bbf1fcf0f57d12eddb22e1840c86717fd01ada9

Aliases

arxiv: 1804.02908 · arxiv_version: 1804.02908v2 · doi: 10.48550/arxiv.1804.02908 · pith_short_12: GG6WYORCIV4A · pith_short_16: GG6WYORCIV4AQJKK · pith_short_8: GG6WYORC

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/GG6WYORCIV4AQJKK5WAZXPY7Z4 \
  | 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: 31bd6c3a22457808254aed819bbf1fcf0f57d12eddb22e1840c86717fd01ada9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "afac609a3aa4b92074734019871878fead531fa63b1061ddd8609e4898e046d0",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2018-04-09T10:51:09Z",
    "title_canon_sha256": "402233a7d9dd92ac4e8e886ef96dba308bbc98edf61867ca730d4b8b0c00e9bf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1804.02908",
    "kind": "arxiv",
    "version": 2
  }
}