Pith Number

pith:AKJ32JD4

pith:2013:AKJ32JD422RGLDOOOVTQ4P3V6S

not attested not anchored not stored refs pending

Optimal Hierarchical Layouts for Cache-Oblivious Search Trees

Deepak Rajan, Peter Lindstrom

arxiv:1307.5899 v2 · 2013-07-22 · cs.DS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{AKJ32JD422RGLDOOOVTQ4P3V6S}

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	2026-05-18T03:17:33.619725Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0293bd247cd6a2658dce75670e3f75f49783c41c365ddf8ba56aa5042c826c1c

Aliases

arxiv: 1307.5899 · arxiv_version: 1307.5899v2 · doi: 10.48550/arxiv.1307.5899 · pith_short_12: AKJ32JD422RG · pith_short_16: AKJ32JD422RGLDOO · pith_short_8: AKJ32JD4

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/AKJ32JD422RGLDOOOVTQ4P3V6S \
  | 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: 0293bd247cd6a2658dce75670e3f75f49783c41c365ddf8ba56aa5042c826c1c

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "749f6337e5e94b7524b7fa21cd862f21645755975323292e316bd9485bf20393",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DS",
    "submitted_at": "2013-07-22T21:41:44Z",
    "title_canon_sha256": "69c8e3e61ace8fac903f38ef531533ea5740f3309ffb40ffeb35264b6e28e12d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1307.5899",
    "kind": "arxiv",
    "version": 2
  }
}