Pith Number

pith:XA2MYYQB

pith:2017:XA2MYYQBSC6EKRBFKQUSPNDKFI

not attested not anchored not stored refs pending

Optimization of Imperative Programs in a Relational Database

Alan Halverson, Cesar Galindo-Legaria, Conor Cunningham, Karthik Ramachandra, K. Venkatesh Emani, Kwanghyun Park

arxiv:1712.00498 v4 · 2017-12-01 · 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{XA2MYYQBSC6EKRBFKQUSPNDKFI}

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	2026-07-04T23:58:22.930250Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b834cc620190bc454425542927b46a2a281021a37253d5b09e87a9b8da2c5dd0

Aliases

arxiv: 1712.00498 · arxiv_version: 1712.00498v4 · doi: 10.48550/arxiv.1712.00498 · pith_short_12: XA2MYYQBSC6E · pith_short_16: XA2MYYQBSC6EKRBF · pith_short_8: XA2MYYQB

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/XA2MYYQBSC6EKRBFKQUSPNDKFI \
  | 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: b834cc620190bc454425542927b46a2a281021a37253d5b09e87a9b8da2c5dd0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7af5784b039dc38eb4b32e5271e4d9e648474fde2e185d6b8d01b92433089301",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-12-01T21:24:25Z",
    "title_canon_sha256": "97bc4067c51db171fe47ebe3de4f7bab1b464eb847a75b23cf78c4934b16b812"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1712.00498",
    "kind": "arxiv",
    "version": 4
  }
}