Pith Number

pith:T5JTGFX6

pith:2019:T5JTGFX66IB4L4XYHCCT6E4H4Q

not attested not anchored not stored refs pending

KEY-SSD: Access-Control Drive to Protect Files from Ransomware Attacks

Chang-Gyu Lee, Donggyu Park, Donghyun Min, Jinwoo Ahn, Junghee Lee, Qian Chen, Sungyong Park, Youngjae Kim

arxiv:1904.05012 v1 · 2019-04-10 · cs.CR · cs.OS

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{T5JTGFX66IB4L4XYHCCT6E4H4Q}

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	2026-05-17T23:48:54.426794Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

9f533316fef203c5f2f838853f1387e42e76c96525a201fae092c33c723dc4c2

Aliases

arxiv: 1904.05012 · arxiv_version: 1904.05012v1 · doi: 10.48550/arxiv.1904.05012 · pith_short_12: T5JTGFX66IB4 · pith_short_16: T5JTGFX66IB4L4XY · pith_short_8: T5JTGFX6

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/T5JTGFX66IB4L4XYHCCT6E4H4Q \
  | 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: 9f533316fef203c5f2f838853f1387e42e76c96525a201fae092c33c723dc4c2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "0e0e0a3913d06ca7d94d807882f2fe0820bea023388ea5a046cfae142da7e38f",
    "cross_cats_sorted": [
      "cs.OS"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-04-10T06:15:28Z",
    "title_canon_sha256": "904c5267428fab00ce6b69e4490e39e37da27e30cee0e469bf9266719766a6f2"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.05012",
    "kind": "arxiv",
    "version": 1
  }
}