Pith Number

pith:D2S6SOBQ

pith:2017:D2S6SOBQY45EYHM6ZHDGHF5KKM

not attested not anchored not stored refs pending

Default Logic and Bounded Treewidth

Irina Schindler, Johannes K. Fichte, Markus Hecher

arxiv:1706.09393 v2 · 2017-06-28 · cs.AI · cs.CC · 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{D2S6SOBQY45EYHM6ZHDGHF5KKM}

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	2026-05-18T00:27:00.449667Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1ea5e93830c73a4c1d9ec9c66397aa5305a624f30a6265218596b8bf1493c75e

Aliases

arxiv: 1706.09393 · arxiv_version: 1706.09393v2 · doi: 10.48550/arxiv.1706.09393 · pith_short_12: D2S6SOBQY45E · pith_short_16: D2S6SOBQY45EYHM6 · pith_short_8: D2S6SOBQ

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/D2S6SOBQY45EYHM6ZHDGHF5KKM \
  | 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: 1ea5e93830c73a4c1d9ec9c66397aa5305a624f30a6265218596b8bf1493c75e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e7bc2ccadc74d97e0b0428cf3f6773e9d9f94370211abe078674b2fd442e3e3",
    "cross_cats_sorted": [
      "cs.CC",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2017-06-28T17:57:02Z",
    "title_canon_sha256": "d52a7d2eca6ccb33c32527a08bfdf8761cb29e5cbac710823103dc3184d09123"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1706.09393",
    "kind": "arxiv",
    "version": 2
  }
}