Pith Number

pith:QPXHSH5J

pith:2020:QPXHSH5JF3FFQBDZE53F5XOIMA

not attested not anchored not stored refs pending

Towards Scalable Dataframe Systems

Aditya Parameswaran, Anthony D. Joseph, Devin Petersohn, Doris Lee, Doris Xin, Joseph E. Gonzalez, Joseph M. Hellerstein, Stephen Macke, William Ma, Xiangxi Mo

arxiv:2001.00888 v4 · 2020-01-03 · 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{QPXHSH5JF3FFQBDZE53F5XOIMA}

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

MojoFrame: Dataframe Library in Mojo Language

Receipt and verification

First computed	2026-07-05T01:07:26.132220Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

83ee791fa92eca58047927765eddc8603983a4a80f317effe92978bcb851463b

Aliases

arxiv: 2001.00888 · arxiv_version: 2001.00888v4 · doi: 10.48550/arxiv.2001.00888 · pith_short_12: QPXHSH5JF3FF · pith_short_16: QPXHSH5JF3FFQBDZ · pith_short_8: QPXHSH5J

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/QPXHSH5JF3FFQBDZE53F5XOIMA \
  | 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: 83ee791fa92eca58047927765eddc8603983a4a80f317effe92978bcb851463b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "7a9604ec4cfabf6446048322180c8870c0d70f3e2c9b2eee8e73ef760b3f8f68",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2020-01-03T16:56:55Z",
    "title_canon_sha256": "fd330bdfedee2de9f8702db7039c2a9776e32aa0037fd309e9fab4b9d5b2807d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.00888",
    "kind": "arxiv",
    "version": 4
  }
}