Pith Number

pith:MYDB6XXF

pith:2025:MYDB6XXFJEPPANLFASL4VA2WPB

not attested not anchored not stored refs pending

Observing Fine-Grained Changes in Jupyter Notebooks During Development Time

Abraham Bernstein, Alberto Bacchelli, Cristina Sarasua, Dhivyabharathi Ramasamy, Konstantin Grotov, Sergey Titov, Timofey Bryksin, Yaroslav Golubev

arxiv:2507.15831 v2 · 2025-07-21 · cs.SE

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{MYDB6XXFJEPPANLFASL4VA2WPB}

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	2026-07-05T11:42:55.432524Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

66061f5ee5491ef035650497ca835678544afc5fa31c2997b100e099a03716c4

Aliases

arxiv: 2507.15831 · arxiv_version: 2507.15831v2 · doi: 10.48550/arxiv.2507.15831 · pith_short_12: MYDB6XXFJEPP · pith_short_16: MYDB6XXFJEPPANLF · pith_short_8: MYDB6XXF

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/MYDB6XXFJEPPANLFASL4VA2WPB \
  | 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: 66061f5ee5491ef035650497ca835678544afc5fa31c2997b100e099a03716c4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c4c582512df6409c0e50bd78baff01dfdd286e77501c896f4f49be96bd933bf8",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2025-07-21T17:41:51Z",
    "title_canon_sha256": "a4f10bd2395080301a8fa2034546ff423c32128cf775724a5edadf6ecb059bf7"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2507.15831",
    "kind": "arxiv",
    "version": 2
  }
}