Pith Number

pith:R4I6HKEH

pith:2019:R4I6HKEHMZXLSGF3BO3YWLQ2PQ

not attested not anchored not stored refs pending

An End-to-End Learning-based Cost Estimator

Guoliang Li, Ji Sun

arxiv:1906.02560 v1 · 2019-06-06 · 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{R4I6HKEHMZXLSGF3BO3YWLQ2PQ}

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.

Cited by

1 paper in Pith

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Receipt and verification

First computed	2026-05-17T23:44:00.779492Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8f11e3a887666eb918bb0bb78b2e1a7c008bf59a406b2d5137e08190013b6c66

Aliases

arxiv: 1906.02560 · arxiv_version: 1906.02560v1 · doi: 10.48550/arxiv.1906.02560 · pith_short_12: R4I6HKEHMZXL · pith_short_16: R4I6HKEHMZXLSGF3 · pith_short_8: R4I6HKEH

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/R4I6HKEHMZXLSGF3BO3YWLQ2PQ \
  | 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: 8f11e3a887666eb918bb0bb78b2e1a7c008bf59a406b2d5137e08190013b6c66

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f184aa6cd88030a0c497a868863add99d372c646ab53f00708e2c4324df98b8c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-06-06T13:01:06Z",
    "title_canon_sha256": "4d37c8324d6f7032df0e0bce7d5ef5f46d55440b3c5d019813c4e7a19b256167"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1906.02560",
    "kind": "arxiv",
    "version": 1
  }
}