Pith Number

pith:BQEC2B5S

pith:2015:BQEC2B5SCZXG32QBJ4BFWUNULF

not attested not anchored not stored refs pending

On the Unicity of Smartphone Applications

Claude Castelluccia, Gergely Acs, Jagdish Prasad Achara

arxiv:1507.07851 v2 · 2015-07-28 · 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{BQEC2B5SCZXG32QBJ4BFWUNULF}

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	2026-05-18T01:28:34.040460Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

0c082d07b2166e6dea014f025b51b45953cc2512dab8eb53a9d328f754eca108

Aliases

arxiv: 1507.07851 · arxiv_version: 1507.07851v2 · doi: 10.48550/arxiv.1507.07851 · pith_short_12: BQEC2B5SCZXG · pith_short_16: BQEC2B5SCZXG32QB · pith_short_8: BQEC2B5S

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/BQEC2B5SCZXG32QBJ4BFWUNULF \
  | 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: 0c082d07b2166e6dea014f025b51b45953cc2512dab8eb53a9d328f754eca108

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b0f1a7b03e9158d6e736525dbb6b4401487fb90e43fc3db8e33693cd18eedb7c",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2015-07-28T17:07:00Z",
    "title_canon_sha256": "67cb11141d2d637190271861e6e69e484b881da2c7bb488e3d204c290711b12e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1507.07851",
    "kind": "arxiv",
    "version": 2
  }
}