Pith Number

pith:WRLR3HYN

pith:2025:WRLR3HYN46PT2TM36Z3YC3P4ZA

not attested not anchored not stored refs pending

OpenMLDB: A Real-Time Relational Data Feature Computation System for Online ML

Bingsheng He, Dihao Chen, Fan Wu, Guoliang Li, Hao Zhang, Liguo Qi, Mian Lu, Wei Zhou, Xuanhe Zhou, Yuqiang Chen

arxiv:2501.08591 v1 · 2025-01-15 · cs.DB · cs.AI · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{WRLR3HYN46PT2TM36Z3YC3P4ZA}

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	2026-07-05T10:01:21.716635Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b4571d9f0de79f3d4d9bf677816dfcc8212767b811138521de9c064159e4968a

Aliases

arxiv: 2501.08591 · arxiv_version: 2501.08591v1 · doi: 10.48550/arxiv.2501.08591 · pith_short_12: WRLR3HYN46PT · pith_short_16: WRLR3HYN46PT2TM3 · pith_short_8: WRLR3HYN

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/WRLR3HYN46PT2TM36Z3YC3P4ZA \
  | 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: b4571d9f0de79f3d4d9bf677816dfcc8212767b811138521de9c064159e4968a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "bc044558bbcfa6e81b3e86fbf1447f731ddd2b42267d64edc26aa50088609528",
    "cross_cats_sorted": [
      "cs.AI",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-01-15T05:20:01Z",
    "title_canon_sha256": "96bbdb4ad6796006135f7b90c4b77fd44eef40ff2446088f8aab14cb144b5711"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2501.08591",
    "kind": "arxiv",
    "version": 1
  }
}