Pith Number

pith:ITSXRHVY

pith:2022:ITSXRHVYDGC3OSYC4BBMV2EUKT

not attested not anchored not stored refs pending

Optimizing Recursive Queries with Program Synthesis

Dan Suciu, Hung Q. Ngo, Mahmoud Abo Khamis, Reinhard Pichler, Yisu Remy Wang

arxiv:2202.10390 v1 · 2022-02-21 · 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{ITSXRHVYDGC3OSYC4BBMV2EUKT}

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	2026-07-05T03:58:41.996171Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

44e5789eb81985b74b02e042cae89454e0e8e19e7fc388ece4c06ce9b9bd6c41

Aliases

arxiv: 2202.10390 · arxiv_version: 2202.10390v1 · doi: 10.48550/arxiv.2202.10390 · pith_short_12: ITSXRHVYDGC3 · pith_short_16: ITSXRHVYDGC3OSYC · pith_short_8: ITSXRHVY

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/ITSXRHVYDGC3OSYC4BBMV2EUKT \
  | 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: 44e5789eb81985b74b02e042cae89454e0e8e19e7fc388ece4c06ce9b9bd6c41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d46e463a63afb3184bfab1324deb7d06d2fcd2f53fd189bda5ded1991649dba0",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2022-02-21T17:40:10Z",
    "title_canon_sha256": "57a88135066c22aef2d51092a37a6902591e09514c46f9bac53a8c4cda0de582"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.10390",
    "kind": "arxiv",
    "version": 1
  }
}