Pith Number

pith:OPHKA7KJ

pith:2025:OPHKA7KJEJLRB4VSX5TA2CC5CV

not attested not anchored not stored refs pending

Offline dedicated quantum attacks on block cipher constructions based on two parallel permutation-based pseudorandom functions

Fei Gao, Jia-Cheng Fan, Su-Juan Qin, Xiao-Fan Zhen, Zhen-Qiang Li

arxiv:2510.14475 v4 · 2025-10-16 · quant-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{OPHKA7KJEJLRB4VSX5TA2CC5CV}

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	2026-07-21T02:21:23.449401Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

73cea07d49225710f2b2bf660d085d15422898203852cffc22fb280156c14e05

Aliases

arxiv: 2510.14475 · arxiv_version: 2510.14475v4 · doi: 10.48550/arxiv.2510.14475 · pith_short_12: OPHKA7KJEJLR · pith_short_16: OPHKA7KJEJLRB4VS · pith_short_8: OPHKA7KJ

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/OPHKA7KJEJLRB4VSX5TA2CC5CV \
  | 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: 73cea07d49225710f2b2bf660d085d15422898203852cffc22fb280156c14e05

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6fc9d6275c9c6317a2d77983e4644bc42810f0fc88b2437cd3c6f2b724f587e4",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2025-10-16T09:19:32Z",
    "title_canon_sha256": "275c3221a8c74c5a118d6dd2a0ebd83c676460ec87cf25487d833d4969cd0230"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2510.14475",
    "kind": "arxiv",
    "version": 4
  }
}