Pith Number

pith:KFN5BFEZ

pith:2019:KFN5BFEZB5RZPVPLSCCVTJXDE6

not attested not anchored not stored refs pending

SeMA: A Design Methodology for Building Secure Android Apps

Joydeep Mitra, Venkatesh-Prasad Ranganath

arxiv:1902.10056 v4 · 2019-02-26 · cs.SE · cs.CR · cs.PL

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{KFN5BFEZB5RZPVPLSCCVTJXDE6}

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	2026-07-05T01:21:33.743339Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

515bd094990f6397d5eb908559a6e327a4431800607193b06ad445b3d1847d9b

Aliases

arxiv: 1902.10056 · arxiv_version: 1902.10056v4 · doi: 10.48550/arxiv.1902.10056 · pith_short_12: KFN5BFEZB5RZ · pith_short_16: KFN5BFEZB5RZPVPL · pith_short_8: KFN5BFEZ

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/KFN5BFEZB5RZPVPLSCCVTJXDE6 \
  | 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: 515bd094990f6397d5eb908559a6e327a4431800607193b06ad445b3d1847d9b

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "915f1aa7c019b177a93e2373911921562ed83444ae4c97153abe719a62156b5e",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.PL"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.SE",
    "submitted_at": "2019-02-26T17:03:36Z",
    "title_canon_sha256": "94f5239e1f075513815f0e7c7b7bb3db66b6cc2024e78608970d1fe8675537ad"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.10056",
    "kind": "arxiv",
    "version": 4
  }
}