Pith Number

pith:GGW65KF6

pith:2019:GGW65KF6HEZE6FP5I2MJGB2LNJ

not attested not anchored not stored refs pending

Cryptanalysis of two recently proposed ultralightweight authentication protocol for IoT

Masoumeh Safkhani, Nasour Bagheri

arxiv:1907.11322 v1 · 2019-07-25 · 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{GGW65KF6HEZE6FP5I2MJGB2LNJ}

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	2026-05-17T23:39:29.445353Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

31adeea8be39324f15fd469893074b6a5eeed4e82adce36f668a911fcf9366f2

Aliases

arxiv: 1907.11322 · arxiv_version: 1907.11322v1 · doi: 10.48550/arxiv.1907.11322 · pith_short_12: GGW65KF6HEZE · pith_short_16: GGW65KF6HEZE6FP5 · pith_short_8: GGW65KF6

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/GGW65KF6HEZE6FP5I2MJGB2LNJ \
  | 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: 31adeea8be39324f15fd469893074b6a5eeed4e82adce36f668a911fcf9366f2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "df2bc5db9d1b7216e61be2af6b88d37f501cdff180f0a5c83bd1d6a8a084f179",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-07-25T22:17:36Z",
    "title_canon_sha256": "b47ff0de93f6707404e6d3ba3ebb15583813aad7a063e9cac4cd962483cad083"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11322",
    "kind": "arxiv",
    "version": 1
  }
}