Pith Number

pith:4KUCHH3M

pith:2021:4KUCHH3M6BQNX2GSHUPNI7YVVR

not attested not anchored not stored refs pending

A Survey on Common Threats in npm and PyPi Registries

Berkay Kaplan, Jingyu Qian

arxiv:2108.09576 v1 · 2021-08-21 · cs.CR · 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{4KUCHH3M6BQNX2GSHUPNI7YVVR}

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	2026-07-05T03:07:55.744363Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e2a8239f6cf060dbe8d23d1ed47f15ac72ce65ad44f677319216eafd5b82a2d4

Aliases

arxiv: 2108.09576 · arxiv_version: 2108.09576v1 · doi: 10.48550/arxiv.2108.09576 · pith_short_12: 4KUCHH3M6BQN · pith_short_16: 4KUCHH3M6BQNX2GS · pith_short_8: 4KUCHH3M

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/4KUCHH3M6BQNX2GSHUPNI7YVVR \
  | 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: e2a8239f6cf060dbe8d23d1ed47f15ac72ce65ad44f677319216eafd5b82a2d4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f11e7e509949cc8d93b51945cd1e23ebfe981aa5981e4775511e3ad5636409a8",
    "cross_cats_sorted": [
      "cs.SE"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-08-21T20:14:12Z",
    "title_canon_sha256": "8c13cc9fb62a72397cc96ac0794c322ca9cb8f0a48251c508bc02d69f9726b37"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2108.09576",
    "kind": "arxiv",
    "version": 1
  }
}