Pith Number

pith:A3TVDM5N

pith:2016:A3TVDM5NYA4R7KF2LDJAHJ3OUT

not attested not anchored not stored refs pending

Efficient Approximation of Well-Designed SPARQL Queries

Guozheng Rao, Xiaowang Zhang, Xin Wang, Zhenyu Song, Zhiyong Feng

arxiv:1603.06732 v1 · 2016-03-22 · 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{A3TVDM5NYA4R7KF2LDJAHJ3OUT}

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	2026-05-18T01:18:34.834038Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

06e751b3adc0391fa8ba58d203a76ea4c8de999c171107c6b329db922f81580d

Aliases

arxiv: 1603.06732 · arxiv_version: 1603.06732v1 · doi: 10.48550/arxiv.1603.06732 · pith_short_12: A3TVDM5NYA4R · pith_short_16: A3TVDM5NYA4R7KF2 · pith_short_8: A3TVDM5N

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/A3TVDM5NYA4R7KF2LDJAHJ3OUT \
  | 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: 06e751b3adc0391fa8ba58d203a76ea4c8de999c171107c6b329db922f81580d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d0fcf499b8a457deaed2e5a406348e5fee654066ca9bcb386d8a39dba17b445f",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-03-22T10:51:01Z",
    "title_canon_sha256": "b5107ead469db0d9f404d85a2fd90ef885f8a812a74d0c6e1640339d325ce373"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1603.06732",
    "kind": "arxiv",
    "version": 1
  }
}