Pith Number

pith:M7Q7YQFI

pith:2015:M7Q7YQFIZDXEL24EUT2KOPTQPJ

not attested not anchored not stored refs pending

Towards Query Optimization for SPARQL Property Paths

Jarek Gryz, Nikolay Yakovets, Parke Godfrey

arxiv:1504.08262 v1 · 2015-04-30 · 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{M7Q7YQFIZDXEL24EUT2KOPTQPJ}

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	2026-05-18T02:17:22.858386Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

67e1fc40a8c8ee45eb84a4f4a73e707a723728d950f24d7c7cf591b9489c388a

Aliases

arxiv: 1504.08262 · arxiv_version: 1504.08262v1 · doi: 10.48550/arxiv.1504.08262 · pith_short_12: M7Q7YQFIZDXE · pith_short_16: M7Q7YQFIZDXEL24E · pith_short_8: M7Q7YQFI

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/M7Q7YQFIZDXEL24EUT2KOPTQPJ \
  | 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: 67e1fc40a8c8ee45eb84a4f4a73e707a723728d950f24d7c7cf591b9489c388a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bf369f7a06a0902de372d228996907c5cb70f487bb518102661a17dd69d60f5c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-04-30T15:04:31Z",
    "title_canon_sha256": "a4421cb5521148b09e552dd123262f8923111d147b47518795f069c57b75514a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1504.08262",
    "kind": "arxiv",
    "version": 1
  }
}