Pith Number

pith:A4ZC6VIF

pith:2019:A4ZC6VIFW3FRR3B6IHE4O44M2K

not attested not anchored not stored refs pending

AFrame: Extending DataFrames for Large-Scale Modern Data Analysis (Extended Version)

Michael J. Carey, Phanwadee Sinthong

arxiv:1908.06719 v1 · 2019-08-19 · 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{A4ZC6VIFW3FRR3B6IHE4O44M2K}

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	2026-07-04T23:58:18.815590Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

07322f5505b6cb18ec3e41c9c7738cd293094a2acc062ef709bc1c9bdbce86a9

Aliases

arxiv: 1908.06719 · arxiv_version: 1908.06719v1 · doi: 10.48550/arxiv.1908.06719 · pith_short_12: A4ZC6VIFW3FR · pith_short_16: A4ZC6VIFW3FRR3B6 · pith_short_8: A4ZC6VIF

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/A4ZC6VIFW3FRR3B6IHE4O44M2K \
  | 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: 07322f5505b6cb18ec3e41c9c7738cd293094a2acc062ef709bc1c9bdbce86a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "e375e53b3278f7eea912f67d5703602d9a4d59cff635eb37c621c7e490cd569a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2019-08-19T12:00:57Z",
    "title_canon_sha256": "90641332d518a5f14c852ec34eae1fd6ea335a12808fe39e4c6c94e84c4aa4cf"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.06719",
    "kind": "arxiv",
    "version": 1
  }
}