Pith Number

pith:KUPJOXG2

pith:2018:KUPJOXG2ILNRVXRDAY6E7E4JY7

not attested not anchored not stored refs pending

Issued for Abuse: Measuring the Underground Trade in Code Signing Certificate

Bum Jun Kwon, Doowon Kim, Kristi\'an Koz\'ak, Tudor Dumitra\c{s}

arxiv:1803.02931 v3 · 2018-03-08 · 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{KUPJOXG2ILNRVXRDAY6E7E4JY7}

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	2026-05-17T23:54:03.079712Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

551e975cda42db1ade23063c4f9389c7dbdd66fd302cbc4f9755c2ed7d444f9a

Aliases

arxiv: 1803.02931 · arxiv_version: 1803.02931v3 · doi: 10.48550/arxiv.1803.02931 · pith_short_12: KUPJOXG2ILNR · pith_short_16: KUPJOXG2ILNRVXRD · pith_short_8: KUPJOXG2

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/KUPJOXG2ILNRVXRDAY6E7E4JY7 \
  | 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: 551e975cda42db1ade23063c4f9389c7dbdd66fd302cbc4f9755c2ed7d444f9a

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0c51c0549b5a4b25582f22da311f5814f5eb86a33f05e8bdac00ece9b041c773",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-03-08T01:26:18Z",
    "title_canon_sha256": "c096485fbc72bf490963c12eae998e7013e841a2c2ae5a06ac9eea2f234d6609"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.02931",
    "kind": "arxiv",
    "version": 3
  }
}