Pith Number

pith:JPLECADV

pith:2020:JPLECADVQ7S5QKH24VYNKTL5LU

not attested not anchored not stored refs pending

Vamsa: Automated Provenance Tracking in Data Science Scripts

Ashvin Agrawal, Avrilia Floratou, Fotis Psallidas, Markus Weimer, Mohammad Hossein Namaki, Subru Krishnan, Yinghui Wu, Yiwen Zhu

arxiv:2001.01861 v2 · 2020-01-07 · cs.LG · cs.DC · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{JPLECADVQ7S5QKH24VYNKTL5LU}

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

Fast Capture of Cell-Level Provenance in Numpy

Receipt and verification

First computed	2026-07-05T01:23:23.326640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

4bd641007587e5d828fae570d54d7d5d269fed491de478891647a9d4de846375

Aliases

arxiv: 2001.01861 · arxiv_version: 2001.01861v2 · doi: 10.48550/arxiv.2001.01861 · pith_short_12: JPLECADVQ7S5 · pith_short_16: JPLECADVQ7S5QKH2 · pith_short_8: JPLECADV

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/JPLECADVQ7S5QKH24VYNKTL5LU \
  | 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: 4bd641007587e5d828fae570d54d7d5d269fed491de478891647a9d4de846375

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4ffe301277658ecc344c110cd91da56a4385325660eb04796d106c81b97a8f65",
    "cross_cats_sorted": [
      "cs.DC",
      "stat.ML"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-sa/4.0/",
    "primary_cat": "cs.LG",
    "submitted_at": "2020-01-07T02:39:02Z",
    "title_canon_sha256": "237df0dcfdfe622ce3d602836790c9290051a4e7120ec786b983aa804a2de403"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2001.01861",
    "kind": "arxiv",
    "version": 2
  }
}