Pith Number

pith:24HBTLFF

pith:2019:24HBTLFFI3RM6RJDAAKOEZ2ZCR

not attested not anchored not stored refs pending

Spams meet Cryptocurrencies: Sextortion in the Bitcoin Ecosystem

Bernhard Haslhofer, Masarah Paquet-Clouston, Matteo Romiti, Thomas Charvat

arxiv:1908.01051 v1 · 2019-08-02 · 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{24HBTLFFI3RM6RJDAAKOEZ2ZCR}

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	2026-07-04T23:51:25.891544Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d70e19aca546e2cf45230014e267591469e132fbeb984407c2256d779b4526c0

Aliases

arxiv: 1908.01051 · arxiv_version: 1908.01051v1 · doi: 10.48550/arxiv.1908.01051 · pith_short_12: 24HBTLFFI3RM · pith_short_16: 24HBTLFFI3RM6RJD · pith_short_8: 24HBTLFF

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/24HBTLFFI3RM6RJDAAKOEZ2ZCR \
  | 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: d70e19aca546e2cf45230014e267591469e132fbeb984407c2256d779b4526c0

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f03377d9fb95e2c4d61fe2632a48dff4318db55de878e52e1012263df9e61732",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-08-02T20:52:33Z",
    "title_canon_sha256": "b9540c957a316d8fc8a8f03a04e37178ec37423daab4b97ef10f1e065de2ce79"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1908.01051",
    "kind": "arxiv",
    "version": 1
  }
}