Pith Number

pith:4RXMU3ER

pith:2020:4RXMU3ERFWZDGA5FEUDJYM3ZXP

not attested not anchored not stored refs pending

From WiscKey to Bourbon: A Learned Index for Log-Structured Merge Trees

Aishwarya Ganesan, Andrea C. Arpaci-Dusseau, Brian Kroth, Ramnatthan Alagappan, Remzi H. Arpaci-Dusseau, Yien Xu, Yifan Dai

arxiv:2005.14213 v2 · 2020-05-28 · cs.DB · 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{4RXMU3ERFWZDGA5FEUDJYM3ZXP}

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	2026-07-05T01:47:55.121943Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e46eca6c912db23303a525069c3379bbceccef5c57f38899a458a031469300fa

Aliases

arxiv: 2005.14213 · arxiv_version: 2005.14213v2 · doi: 10.48550/arxiv.2005.14213 · pith_short_12: 4RXMU3ERFWZD · pith_short_16: 4RXMU3ERFWZDGA5F · pith_short_8: 4RXMU3ER

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/4RXMU3ERFWZDGA5FEUDJYM3ZXP \
  | 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: e46eca6c912db23303a525069c3379bbceccef5c57f38899a458a031469300fa

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "923f4ca439fdc0d4e58e7453e3e17dccd5d131b15a6766122656ffefaf82ba31",
    "cross_cats_sorted": [
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-05-28T18:05:46Z",
    "title_canon_sha256": "a3e489683366b89479b05c3752a472ae0884c6f9dd099dc1768e8737c4e4b80d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2005.14213",
    "kind": "arxiv",
    "version": 2
  }
}