Pith Number

pith:FFOQMB3B

pith:2017:FFOQMB3BDRGAFLR223AUWZFLLO

not attested not anchored not stored refs pending

LevelHeaded: Making Worst-Case Optimal Joins Work in the Common Case

Andrew Lamb, Christopher R. Aberger, Christopher R\'e, Kunle Olukotun

arxiv:1708.07859 v1 · 2017-08-25 · 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{FFOQMB3BDRGAFLR223AUWZFLLO}

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	2026-05-18T00:36:37.836899Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

295d0607611c4c02ae3ad6c14b64ab5bb0ee9da9c9c3c2fdeb4a21ff638ee7d4

Aliases

arxiv: 1708.07859 · arxiv_version: 1708.07859v1 · doi: 10.48550/arxiv.1708.07859 · pith_short_12: FFOQMB3BDRGA · pith_short_16: FFOQMB3BDRGAFLR2 · pith_short_8: FFOQMB3B

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/FFOQMB3BDRGAFLR223AUWZFLLO \
  | 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: 295d0607611c4c02ae3ad6c14b64ab5bb0ee9da9c9c3c2fdeb4a21ff638ee7d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "62117440a6766c2388365529cd9dff9f5b1e0e0d3b32700244bdaa69ab8d8a19",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2017-08-25T18:49:30Z",
    "title_canon_sha256": "154b5be4831fad78bc31ff3eca72fed7e28634937a813cfe56c5b00079893bda"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1708.07859",
    "kind": "arxiv",
    "version": 1
  }
}