Pith Number

pith:7USMDEA3

pith:2022:7USMDEA37VWDDZN2T3DZEPJPQK

not attested not anchored not stored refs pending

Saving Brian's Privacy: the Perils of Privacy Exposure through Reverse DNS

Anna Sperotto, Mattijs Jonker, Olivier van der Toorn, Raffaele Sommese, Roland van Rijswijk-Deij

arxiv:2202.01160 v2 · 2022-02-02 · cs.NI · 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{7USMDEA37VWDDZN2T3DZEPJPQK}

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	2026-07-05T04:59:18.794552Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7

Aliases

arxiv: 2202.01160 · arxiv_version: 2202.01160v2 · doi: 10.48550/arxiv.2202.01160 · pith_short_12: 7USMDEA37VWD · pith_short_16: 7USMDEA37VWDDZN2 · pith_short_8: 7USMDEA3

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/7USMDEA37VWDDZN2T3DZEPJPQK \
  | 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: fd24c1901bfd6c31e5ba9ec7923d2f8292e2d76549a5ed1094feeb53531f36f7

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "f786b41cb433b7527855f6ba26c5cf575783117978e3a79bfa1f0548a1e5dce7",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://creativecommons.org/licenses/by-nc-nd/4.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2022-02-02T17:39:19Z",
    "title_canon_sha256": "fc808a5b0b2997e5f88e6030659dd499bade60785de9fb6beddf477d88357a0d"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2202.01160",
    "kind": "arxiv",
    "version": 2
  }
}