Pith Number

pith:DQKN4APB

pith:2026:DQKN4APBV4UM3IWB25KUVQRWFR

not attested not anchored not stored refs pending

Cache-Aware I/O Cost Modeling for Disk-Based Learned Indexes

Guangyi Zhang, Jianwei Liao, Jingshu Peng, Meng Zhang, Qiyu Liu, Sha Hu, Yingxia Shao, Zhanwei Shi

arxiv:2606.21924 v1 · 2026-06-20 · 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{DQKN4APBV4UM3IWB25KUVQRWFR}

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	2026-06-23T02:13:03.001519Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1c14de01e1af28cda2c1d7554ac2362c6ccde17b465cf82d6b59e1841108a2c5

Aliases

arxiv: 2606.21924 · arxiv_version: 2606.21924v1 · doi: 10.48550/arxiv.2606.21924 · pith_short_12: DQKN4APBV4UM · pith_short_16: DQKN4APBV4UM3IWB · pith_short_8: DQKN4APB

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/DQKN4APBV4UM3IWB25KUVQRWFR \
  | 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: 1c14de01e1af28cda2c1d7554ac2362c6ccde17b465cf82d6b59e1841108a2c5

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e6dc60ce23490af97e9a9733d76759418b38be2e164081d3a92bb9801c3dc073",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2026-06-20T07:44:50Z",
    "title_canon_sha256": "eb39ec9ac9a05967c71a49b393797acb60cd963645037905244f7a40eee2cd8d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.21924",
    "kind": "arxiv",
    "version": 1
  }
}