Pith Number

pith:5V52L22D

pith:2018:5V52L22DMJF4YNZRBJ4Q2J2EF3

not attested not anchored not stored refs pending

To Extend or not to Extend: on the Uniqueness of Browser Extensions and Web Logins

Claude Castelluccia, Doliere Francis Some, Gabor Gyorgy Gulyas, Nataliia Bielova

arxiv:1808.07359 v1 · 2018-08-22 · 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{5V52L22DMJF4YNZRBJ4Q2J2EF3}

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	2026-05-18T00:07:23.096506Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ed7ba5eb43624bcc37310a790d27442edde54a370b19a6b56ce76c88332bcdce

Aliases

arxiv: 1808.07359 · arxiv_version: 1808.07359v1 · doi: 10.48550/arxiv.1808.07359 · pith_short_12: 5V52L22DMJF4 · pith_short_16: 5V52L22DMJF4YNZR · pith_short_8: 5V52L22D

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/5V52L22DMJF4YNZRBJ4Q2J2EF3 \
  | 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: ed7ba5eb43624bcc37310a790d27442edde54a370b19a6b56ce76c88332bcdce

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "dbbbbb8d31c548689069210295a2eebc59e3d4bcd8fceac0fa27f967269b03b4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2018-08-22T13:54:12Z",
    "title_canon_sha256": "d64cade8b189a92b5a2c02f044c461d84a8b40499ed1c5ab65bfd8809eb5c1e2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.07359",
    "kind": "arxiv",
    "version": 1
  }
}