Pith Number

pith:PBZV56U2

pith:2025:PBZV56U2XNWHG2D5HWAHNYY5VU

not attested not anchored not stored refs pending

Finding SSH Strict Key Exchange Violations by State Learning

Fabian B\"aumer, J\"org Schwenk, Marcel Maehren, Marcus Brinkmann

arxiv:2509.10895 v1 · 2025-09-13 · 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{PBZV56U2XNWHG2D5HWAHNYY5VU}

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	2026-07-05T12:11:29.988640Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

78735efa9abb6c73687d3d8076e31dad0d26271d09e240533348650995ce3006

Aliases

arxiv: 2509.10895 · arxiv_version: 2509.10895v1 · doi: 10.48550/arxiv.2509.10895 · pith_short_12: PBZV56U2XNWH · pith_short_16: PBZV56U2XNWHG2D5 · pith_short_8: PBZV56U2

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/PBZV56U2XNWHG2D5HWAHNYY5VU \
  | 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: 78735efa9abb6c73687d3d8076e31dad0d26271d09e240533348650995ce3006

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "33495c41d9be1a3753c1033304fc9e7a582916893ee53e81496667c4b579caa1",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-09-13T16:54:10Z",
    "title_canon_sha256": "6be13d1173da2c38e48610bfae13fe9d3d0d602754af46cebf05eb0a962ff735"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2509.10895",
    "kind": "arxiv",
    "version": 1
  }
}