Pith Number

pith:FRUQEKNW

pith:2018:FRUQEKNWOFTSI6SBN4S5QHMONB

not attested not anchored not stored refs pending

Robust identification of email tracking: A machine learning approach

Benedict Bender, Benjamin Fabian, Johannes Haupt, Stefan Lessmann

arxiv:1806.04033 v1 · 2018-06-11 · cs.CY

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{FRUQEKNWOFTSI6SBN4S5QHMONB}

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	2026-05-18T00:13:38.749460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

2c690229b67167247a416f25d81d8e685f9f8e0796ec53e7902adababb6d5249

Aliases

arxiv: 1806.04033 · arxiv_version: 1806.04033v1 · doi: 10.48550/arxiv.1806.04033 · pith_short_12: FRUQEKNWOFTS · pith_short_16: FRUQEKNWOFTSI6SB · pith_short_8: FRUQEKNW

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/FRUQEKNWOFTSI6SBN4S5QHMONB \
  | 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: 2c690229b67167247a416f25d81d8e685f9f8e0796ec53e7902adababb6d5249

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9d3f5193acfef6c6c8019bdc442844825305ddd941613d26d532843c87a5c617",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CY",
    "submitted_at": "2018-06-11T14:59:24Z",
    "title_canon_sha256": "7608167219809e04b99ef217f4e76273df4d4f372d1723c48121948d888141f8"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1806.04033",
    "kind": "arxiv",
    "version": 1
  }
}