Pith Number

pith:QXOOYR5I

pith:2011:QXOOYR5IKJBT6F5P7BH4W4M2AM

not attested not anchored not stored refs pending

Adding Logical Operators to Tree Pattern Queries on Graph-Structured Data

Hai Zhuge, Qiang Zeng, Xiaorui Jiang

arxiv:1109.4288 v4 · 2011-09-20 · 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{QXOOYR5IKJBT6F5P7BH4W4M2AM}

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	2026-05-18T02:21:36.406939Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

85dcec47a852433f17aff84fcb719a0338631eb00baf8b48141f8484ab450713

Aliases

arxiv: 1109.4288 · arxiv_version: 1109.4288v4 · doi: 10.48550/arxiv.1109.4288 · pith_short_12: QXOOYR5IKJBT · pith_short_16: QXOOYR5IKJBT6F5P · pith_short_8: QXOOYR5I

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/QXOOYR5IKJBT6F5P7BH4W4M2AM \
  | 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: 85dcec47a852433f17aff84fcb719a0338631eb00baf8b48141f8484ab450713

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "875a22fb664c4bb4189ae7d26a5b41165f54d2f9f2e6d74f9679fc2b3b007fe9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2011-09-20T13:30:32Z",
    "title_canon_sha256": "a26e7ec28ff869943d09169c3bfe9ca981e506aed8a784cf5e3c114be28cfb5d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1109.4288",
    "kind": "arxiv",
    "version": 4
  }
}