pith. sign in
Pith Number

pith:GBPZQ3LK

pith:2016:GBPZQ3LKFFBWPDRBQBR25DJ5GC
not attested not anchored not stored refs pending

Perfect and Maximum Randomness in Stratified Sampling over Joins

Arnab Nandi, Niranjan Kamat

arxiv:1601.05118 v2 · 2016-01-19 · cs.DB

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{GBPZQ3LKFFBWPDRBQBR25DJ5GC}

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 2026-05-18T00:50:47.972285Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

305f986d6a2943678e218063ae8d3d30a61739b9969258f9947399a540742761

Aliases

arxiv: 1601.05118 · arxiv_version: 1601.05118v2 · doi: 10.48550/arxiv.1601.05118 · pith_short_12: GBPZQ3LKFFBW · pith_short_16: GBPZQ3LKFFBWPDRB · pith_short_8: GBPZQ3LK
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/GBPZQ3LKFFBWPDRBQBR25DJ5GC \
  | 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: 305f986d6a2943678e218063ae8d3d30a61739b9969258f9947399a540742761
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f65f7580b82a42b9bcb7f2cd5c2a2849a881672516f66f46d63070de30af5f31",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2016-01-19T22:18:56Z",
    "title_canon_sha256": "66f6dc886b52800c55acde859c99c81c39b507a3ca9a97d4fb17777f113d0a26"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1601.05118",
    "kind": "arxiv",
    "version": 2
  }
}