Pith Number

pith:4DITFBA3

pith:2026:4DITFBA3YSSMSTNQ2YNYRLPHYM

not attested not anchored not stored refs pending

QDAG: Declarative Composition of Reusable Analytics Methodologies at LinkedIn

Endong Zhu, Peter Ho, Praveen Chaganlal, Tianle Zhang

arxiv:2606.05662 v1 · 2026-06-04 · 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{4DITFBA3YSSMSTNQ2YNYRLPHYM}

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	2026-06-05T01:14:58.537907Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e0d132841bc4a4c94db0d61b88ade7c30aac32f3f99d096c42de46d6ff844481

Aliases

arxiv: 2606.05662 · arxiv_version: 2606.05662v1 · doi: 10.48550/arxiv.2606.05662 · pith_short_12: 4DITFBA3YSSM · pith_short_16: 4DITFBA3YSSMSTNQ · pith_short_8: 4DITFBA3

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/4DITFBA3YSSMSTNQ2YNYRLPHYM \
  | 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: e0d132841bc4a4c94db0d61b88ade7c30aac32f3f99d096c42de46d6ff844481

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "08d4566aae07c4f2a744b9448d5346edea24be055eafaebb04c39754e82f08b2",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-04T03:44:44Z",
    "title_canon_sha256": "e790a8fa55f7e384566bbae85a55117f2801b342ab0b35a4cb99d3d2b559ceeb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.05662",
    "kind": "arxiv",
    "version": 1
  }
}