Pith Number

pith:2XNNNT2R

pith:2020:2XNNNT2RMNDRXHX5TG5BGZTUCV

not attested not anchored not stored refs pending

Mainlining Databases: Supporting Fast Transactional Workloads on Universal Columnar Data File Formats

Amadou Ngom, Andrew Pavlo, Matthew Butrovich, Tianyu Li, Wan Shen Lim, Wes McKinney

arxiv:2004.14471 v1 · 2020-04-29 · 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{2XNNNT2RMNDRXHX5TG5BGZTUCV}

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.

Cited by

1 paper in Pith

Mycelium: A Transformation-Embedded LSM-Tree

Receipt and verification

First computed	2026-07-05T00:59:26.592186Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d5dad6cf5163471b9efd99ba136674154172af8921ca3134df24aec8ecbb20f4

Aliases

arxiv: 2004.14471 · arxiv_version: 2004.14471v1 · doi: 10.48550/arxiv.2004.14471 · pith_short_12: 2XNNNT2RMNDR · pith_short_16: 2XNNNT2RMNDRXHX5 · pith_short_8: 2XNNNT2R

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/2XNNNT2RMNDRXHX5TG5BGZTUCV \
  | 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: d5dad6cf5163471b9efd99ba136674154172af8921ca3134df24aec8ecbb20f4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d7cec92ce9e6922e89bcf8672953b01f0e0e9a6fbed0d7595bdd391148a5d8d3",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-04-29T20:55:52Z",
    "title_canon_sha256": "17db55956122912fa42f9c0b7cf853705c1b0ae025f1d165ebc602bebc369c86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2004.14471",
    "kind": "arxiv",
    "version": 1
  }
}