Pith Number

pith:3VHYHD3F

pith:2015:3VHYHD3FV5CMFRFYGCMZ22ZY5S

not attested not anchored not stored refs pending

Characterizing Key Stakeholders in an Online Black-Hat Marketplace

Arik Friedman, Emiliano De Cristofaro, Fareed Zaffar, Guillaume Jourjon, Mohamed Ali Kaafar, Muhammad Ikram, M. Zubair Shafiq, Shehroze Farooqi

arxiv:1505.01637 v2 · 2015-05-07 · cs.CY · 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{3VHYHD3FV5CMFRFYGCMZ22ZY5S}

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	2026-05-18T00:47:00.415263Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

dd4f838f65af44c2c4b830999d6b38ecb67b1ae581fe27281ece2324fc11c829

Aliases

arxiv: 1505.01637 · arxiv_version: 1505.01637v2 · doi: 10.48550/arxiv.1505.01637 · pith_short_12: 3VHYHD3FV5CM · pith_short_16: 3VHYHD3FV5CMFRFY · pith_short_8: 3VHYHD3F

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/3VHYHD3FV5CMFRFYGCMZ22ZY5S \
  | 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: dd4f838f65af44c2c4b830999d6b38ecb67b1ae581fe27281ece2324fc11c829

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fc076bb9e2a085e8431fa4ae016429cb7bbfa732f9917c299f2e1ef4935887b0",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2015-05-07T09:26:31Z",
    "title_canon_sha256": "f87a6a28a2b9bfbea41e47ed90cc0e04a0edd6b4108c92de530b86e057b9a77b"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1505.01637",
    "kind": "arxiv",
    "version": 2
  }
}