Pith. sign in
Pith Number

pith:6KZVQY7E

pith:2021:6KZVQY7E7AAXUIMTVF4DPJVLX7
not attested not anchored not stored refs pending

Thunder CTF: Learning Cloud Security on a Dime

Nicholas Springer (1), Wu-chang Feng (1) ((1) Portland State University)

arxiv:2107.12566 v1 · 2021-07-27 · cs.CR

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{6KZVQY7E7AAXUIMTVF4DPJVLX7}

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.

Cited by

1 paper in Pith

Receipt and verification
First computed 2026-07-05T03:00:57.719538Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

f2b35863e4f8017a2193a97837a6abbff71489ade70722a1322164df93e4e0e3

Aliases

arxiv: 2107.12566 · arxiv_version: 2107.12566v1 · doi: 10.48550/arxiv.2107.12566 · pith_short_12: 6KZVQY7E7AAX · pith_short_16: 6KZVQY7E7AAXUIMT · pith_short_8: 6KZVQY7E
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/6KZVQY7E7AAXUIMTVF4DPJVLX7 \
  | 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: f2b35863e4f8017a2193a97837a6abbff71489ade70722a1322164df93e4e0e3
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "d4bbe2d930218cec7cd001e6cf704eb832f3cde81827cc6cd6233208f7639c5b",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2021-07-27T03:01:47Z",
    "title_canon_sha256": "b304472f2d65c9e2203cf68c9e0e2a58b06c550f51f8d801c14e60e44c57309a"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2107.12566",
    "kind": "arxiv",
    "version": 1
  }
}