Pith Number

pith:IWTIB23K

pith:2018:IWTIB23KXEXCCTV3FHGSIEM7IC

not attested not anchored not stored refs pending

gSMat: A Scalable Sparse Matrix-based Join for SPARQL Query Processing

Jiaming Song, Lei Zou, Mingyue Zhang, Peng Peng, Xiaowang Zhang, Zhiyong Feng

arxiv:1807.07691 v1 · 2018-07-20 · 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{IWTIB23KXEXCCTV3FHGSIEM7IC}

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	2026-05-18T00:10:15.878856Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

45a680eb6ab92e214ebb29cd24119f40b5b27daac889b5a3a185d44ba905177f

Aliases

arxiv: 1807.07691 · arxiv_version: 1807.07691v1 · doi: 10.48550/arxiv.1807.07691 · pith_short_12: IWTIB23KXEXC · pith_short_16: IWTIB23KXEXCCTV3 · pith_short_8: IWTIB23K

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/IWTIB23KXEXCCTV3FHGSIEM7IC \
  | 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: 45a680eb6ab92e214ebb29cd24119f40b5b27daac889b5a3a185d44ba905177f

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e9f21c51dc0bbc60a1166c32a067641c10ebff429fc3111f894e0b7d0a309540",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2018-07-20T01:52:45Z",
    "title_canon_sha256": "68d32ebffe16415fe23b16f597b404698b140a69c64db2318e439db05e7d17ab"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1807.07691",
    "kind": "arxiv",
    "version": 1
  }
}