Pith Number

pith:OXHA3GDK

pith:2015:OXHA3GDK3CBWL76HML4NP6DLBW

not attested not anchored not stored refs pending

A Closer Look at Variance Implementations in Modern Database Systems

Arnab Nandi, Niranjan Kamat

arxiv:1509.04349 v2 · 2015-09-14 · 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{OXHA3GDK3CBWL76HML4NP6DLBW}

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	2026-05-18T00:54:04.827344Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

75ce0d986ad88365ffc762f8d7f86b0d9debb81777da67ec5c214878636ce816

Aliases

arxiv: 1509.04349 · arxiv_version: 1509.04349v2 · doi: 10.48550/arxiv.1509.04349 · pith_short_12: OXHA3GDK3CBW · pith_short_16: OXHA3GDK3CBWL76H · pith_short_8: OXHA3GDK

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/OXHA3GDK3CBWL76HML4NP6DLBW \
  | 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: 75ce0d986ad88365ffc762f8d7f86b0d9debb81777da67ec5c214878636ce816

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8de1bc43664280ed2b2d3b3089f7318a937fc545ca06d466f903187a0b03ace9",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2015-09-14T23:00:28Z",
    "title_canon_sha256": "d983d598703ff48be838094407571326b4dbb2f1f8445376112758a8022dbac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1509.04349",
    "kind": "arxiv",
    "version": 2
  }
}