pith. sign in
Pith Number

pith:3GNK6NP4

pith:2019:3GNK6NP4BGYM7KDUKM2L2JOS2A
not attested not anchored not stored refs pending

Analysing Censorship Circumvention with VPNs via DNS Cache Snooping

Alexander Darer, Joss Wright, Oliver Farnan

arxiv:1907.04023 v1 · 2019-07-09 · cs.CR · cs.NI

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{3GNK6NP4BGYM7KDUKM2L2JOS2A}

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 2026-05-17T23:41:05.944862Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

d99aaf35fc09b0cfa8745334bd25d2d025520e18bf58c1f895bd3378a2832c99

Aliases

arxiv: 1907.04023 · arxiv_version: 1907.04023v1 · doi: 10.48550/arxiv.1907.04023 · pith_short_12: 3GNK6NP4BGYM · pith_short_16: 3GNK6NP4BGYM7KDU · pith_short_8: 3GNK6NP4
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/3GNK6NP4BGYM7KDUKM2L2JOS2A \
  | 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: d99aaf35fc09b0cfa8745334bd25d2d025520e18bf58c1f895bd3378a2832c99
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "f53c0017547a8fbc170ca3159e077d2e407a5f8e6cce3ed1bd27a13609930cbe",
    "cross_cats_sorted": [
      "cs.NI"
    ],
    "license": "http://creativecommons.org/licenses/by-sa/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-09T07:30:37Z",
    "title_canon_sha256": "8373a0235332350a7750cdd979f59eb1a4e23832d44775c921bfc0f64d8ad578"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.04023",
    "kind": "arxiv",
    "version": 1
  }
}