pith. sign in
Pith Number

pith:HJJNQDWT

pith:2016:HJJNQDWTFTBLSJKQRCYAAHJDCL
not attested not anchored not stored refs pending

PIWD: A Plugin-based Framework for Well-Designed SPARQL

Xiaowang Zhang, Xin Wang, Zhenyu Song, Zhiyong Feng

arxiv:1607.07967 v2 · 2016-07-27 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{HJJNQDWTFTBLSJKQRCYAAHJDCL}

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 2026-05-18T01:02:58.847484Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

3a52d80ed32cc2b9255088b0001d2312eef16e1485cd93c7848774341a855435

Aliases

arxiv: 1607.07967 · arxiv_version: 1607.07967v2 · doi: 10.48550/arxiv.1607.07967 · pith_short_12: HJJNQDWTFTBL · pith_short_16: HJJNQDWTFTBLSJKQ · pith_short_8: HJJNQDWT
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/HJJNQDWTFTBLSJKQRCYAAHJDCL \
  | 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: 3a52d80ed32cc2b9255088b0001d2312eef16e1485cd93c7848774341a855435
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "8dd3c03b078e8d09a3a915371212ca1fca22ce44df9b0bf7e44394b3922d9e6d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-07-27T05:47:34Z",
    "title_canon_sha256": "4db6ea01560cc4e5a35f98de1f4ceb9d38c9c35522129850ac4138ac992927ea"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.07967",
    "kind": "arxiv",
    "version": 2
  }
}