Pith Number

pith:XVJ3IUU7

pith:2025:XVJ3IUU7TLKJ7SZID47ADJMTD2

not attested not anchored not stored refs pending

Fast Capture of Cell-Level Provenance in Numpy

Jinjin Zhao, Sanjay Krishnan

arxiv:2506.18255 v1 · 2025-06-23 · 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{XVJ3IUU7TLKJ7SZID47ADJMTD2}

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	2026-07-05T11:25:47.043608Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

bd53b4529f9ad49fcb281f3e01a5931e91515c8df93f240e55bc7f605da4fb8d

Aliases

arxiv: 2506.18255 · arxiv_version: 2506.18255v1 · doi: 10.48550/arxiv.2506.18255 · pith_short_12: XVJ3IUU7TLKJ · pith_short_16: XVJ3IUU7TLKJ7SZI · pith_short_8: XVJ3IUU7

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/XVJ3IUU7TLKJ7SZID47ADJMTD2 \
  | 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: bd53b4529f9ad49fcb281f3e01a5931e91515c8df93f240e55bc7f605da4fb8d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "379c15e02750e53e2585eadaa8d873afd7faa4045531de67c24839d1e47c62d9",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.DB",
    "submitted_at": "2025-06-23T02:56:39Z",
    "title_canon_sha256": "e222619ab18e69262d6442209bf7c78c07fe3f1828664dd1c1f016f97c8f8d86"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2506.18255",
    "kind": "arxiv",
    "version": 1
  }
}