Pith Number

pith:7JJ364FJ

pith:2022:7JJ364FJHDECJDCOQSKULBBIYF

not attested not anchored not stored refs pending

Soundness and Completeness of SPARQL Query Containment Solver SpeCS

Milena Vujo\v{s}evi\'c Jani\v{c}i\'c, Mirko Spasi\'c

arxiv:2210.07083 v1 · 2022-10-13 · cs.LO · cs.DB

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7JJ364FJHDECJDCOQSKULBBIYF}

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	2026-07-05T05:06:24.358083Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fa53bf70a938c8248c4e8495458428c15fa0198878aa7ce0653abd3c89f176da

Aliases

arxiv: 2210.07083 · arxiv_version: 2210.07083v1 · doi: 10.48550/arxiv.2210.07083 · pith_short_12: 7JJ364FJHDEC · pith_short_16: 7JJ364FJHDECJDCO · pith_short_8: 7JJ364FJ

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/7JJ364FJHDECJDCOQSKULBBIYF \
  | 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: fa53bf70a938c8248c4e8495458428c15fa0198878aa7ce0653abd3c89f176da

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b881a40fc381e03869c93006b0c0f2d6378093a2adca2516777db8524fe20346",
    "cross_cats_sorted": [
      "cs.DB"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.LO",
    "submitted_at": "2022-10-13T15:10:27Z",
    "title_canon_sha256": "dcfc6690a8553cccf4e7f2a0e41c94b3d579be0d04dcef86d9674b2dc4251050"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2210.07083",
    "kind": "arxiv",
    "version": 1
  }
}