Pith Number

pith:SBDHSUVT

pith:2025:SBDHSUVTPVLNM5XKSF4GS2P3LR

not attested not anchored not stored refs pending

Outback: Fast and Communication-efficient Index for Key-Value Store on Disaggregated Memory

Chen Qian, Heiner Litz, Minghao Xie, Shouqian Shi, Yi Liu, Yuanchao Xu

arxiv:2502.08982 v1 · 2025-02-13 · 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{SBDHSUVTPVLNM5XKSF4GS2P3LR}

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	2026-07-05T10:13:50.759320Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

90467952b37d56d676ea91786969fb5c6daad91ca189a17393ed93e81721a02b

Aliases

arxiv: 2502.08982 · arxiv_version: 2502.08982v1 · doi: 10.48550/arxiv.2502.08982 · pith_short_12: SBDHSUVTPVLN · pith_short_16: SBDHSUVTPVLNM5XK · pith_short_8: SBDHSUVT

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/SBDHSUVTPVLNM5XKSF4GS2P3LR \
  | 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: 90467952b37d56d676ea91786969fb5c6daad91ca189a17393ed93e81721a02b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9771048e5c1f40be31fb2d23179c97c98c973ec76cb810629dc9bb1e070421d5",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-02-13T05:40:28Z",
    "title_canon_sha256": "c8650d546d09f624ee4a59cc8fdd6646dbb141d9572f28444a006304d8d74e10"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.08982",
    "kind": "arxiv",
    "version": 1
  }
}