Pith Number

pith:PKNSKVL4

pith:2017:PKNSKVL4QTJ5ZLEDL23E7B2FIH

not attested not anchored not stored refs pending

Formalising opencypher Graph Queries in Relational Algebra

D\'aniel Varr\'o, G\'abor Sz\'arnyas, J\'ozsef Marton

arxiv:1705.02844 v2 · 2017-05-08 · 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{PKNSKVL4QTJ5ZLEDL23E7B2FIH}

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	2026-05-18T00:34:34.953306Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

7a9b25557c84d3dcac835eb64f874541c954286e3ce033d166ea5aebd6e3d1cc

Aliases

arxiv: 1705.02844 · arxiv_version: 1705.02844v2 · doi: 10.48550/arxiv.1705.02844 · pith_short_12: PKNSKVL4QTJ5 · pith_short_16: PKNSKVL4QTJ5ZLED · pith_short_8: PKNSKVL4

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/PKNSKVL4QTJ5ZLEDL23E7B2FIH \
  | 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: 7a9b25557c84d3dcac835eb64f874541c954286e3ce033d166ea5aebd6e3d1cc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "82a87ecc4673c6e3f8fdf69eef29d9e858e214fce22ad928a8adf215c4027950",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-05-08T12:19:37Z",
    "title_canon_sha256": "e7aa56fa8523e6c81c178c74f6e440e99546c35d23ff2a019a865d1bde78039d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.02844",
    "kind": "arxiv",
    "version": 2
  }
}