Pith Number

pith:VSAWVU6G

pith:2017:VSAWVU6GICXMHD65FSTPOAK2IC

not attested not anchored not stored refs pending

First-Order Query Evaluation with Cardinality Conditions

Martin Grohe, Nicole Schweikardt

arxiv:1707.05945 v1 · 2017-07-19 · cs.LO · cs.DB · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{VSAWVU6GICXMHD65FSTPOAK2IC}

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	2026-05-18T00:39:58.877074Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ac816ad3c640aec38fdd2ca6f7015a40b032ca0807750ec049c50592186da540

Aliases

arxiv: 1707.05945 · arxiv_version: 1707.05945v1 · doi: 10.48550/arxiv.1707.05945 · pith_short_12: VSAWVU6GICXM · pith_short_16: VSAWVU6GICXMHD65 · pith_short_8: VSAWVU6G

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/VSAWVU6GICXMHD65FSTPOAK2IC \
  | 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: ac816ad3c640aec38fdd2ca6f7015a40b032ca0807750ec049c50592186da540

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dc14a0b5616d8032c6ca0d2180920c21a66468af864d2165dc4e5a393b80d721",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.DS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2017-07-19T06:12:34Z",
    "title_canon_sha256": "a674589a8a2792a21e2c70236c3cea381f256b14b45b9caa6b6e9410bf305f6a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1707.05945",
    "kind": "arxiv",
    "version": 1
  }
}