Pith Number

pith:4UW7L5F3

pith:2016:4UW7L5F3KUYVXDMXZKY3EUTR4Y

not attested not anchored not stored refs pending

HoTTSQL: Proving Query Rewrites with Univalent SQL Semantics

Alvin Cheung, Dan Suciu, Konstantin Weitz, Shumo Chu

arxiv:1607.04822 v2 · 2016-07-17 · cs.PL · cs.DB · cs.LO

Open paper page JSON Open Graph Bundle Merged state Verified badge What is a Pith Number?

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4UW7L5F3KUYVXDMXZKY3EUTR4Y}

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	2026-05-18T01:09:41.317336Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e52df5f4bb55315b8d97cab1b25271e631622e375f787aa2135a4afa6ffbd248

Aliases

arxiv: 1607.04822 · arxiv_version: 1607.04822v2 · doi: 10.48550/arxiv.1607.04822 · pith_short_12: 4UW7L5F3KUYV · pith_short_16: 4UW7L5F3KUYVXDMX · pith_short_8: 4UW7L5F3

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/4UW7L5F3KUYVXDMXZKY3EUTR4Y \
  | 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: e52df5f4bb55315b8d97cab1b25271e631622e375f787aa2135a4afa6ffbd248

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4e693956abee8da7b2efd3cc04f7aa7c81e037f68457d702a8b9b5f32158d06a",
    "cross_cats_sorted": [
      "cs.DB",
      "cs.LO"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.PL",
    "submitted_at": "2016-07-17T03:15:20Z",
    "title_canon_sha256": "f86c5b0989462b0d8d95a6649319e52fd26c23582bdd27462592da03baaa993a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1607.04822",
    "kind": "arxiv",
    "version": 2
  }
}