Pith Number

pith:73D2DTD3

pith:2021:73D2DTD3RUMH7MSYOGEIPGSRQ7

not attested not anchored not stored refs pending

I Know What You Imported Last Summer: A study of security threats in thePython ecosystem

Aadesh Bagmar, Dave Levin, Jim Purtilo, Josiah Wedgwood

arxiv:2102.06301 v1 · 2021-02-11 · cs.CR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{73D2DTD3RUMH7MSYOGEIPGSRQ7}

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	2026-07-05T02:14:46.765563Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fec7a1cc7b8d187fb2587188879a5187c2a0ca5f314efcc2275f48b216c4dca4

Aliases

arxiv: 2102.06301 · arxiv_version: 2102.06301v1 · doi: 10.48550/arxiv.2102.06301 · pith_short_12: 73D2DTD3RUMH · pith_short_16: 73D2DTD3RUMH7MSY · pith_short_8: 73D2DTD3

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/73D2DTD3RUMH7MSYOGEIPGSRQ7 \
  | 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: fec7a1cc7b8d187fb2587188879a5187c2a0ca5f314efcc2275f48b216c4dca4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6db2bdb5de4cb914863fedd3b00053297fa0e03b08054373866a4088e3b5850e",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-02-11T22:46:17Z",
    "title_canon_sha256": "e069132e0da233c04493397d3218f6064839b3c1b3a8ca3319fb210b02b2ae01"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2102.06301",
    "kind": "arxiv",
    "version": 1
  }
}