Pith Number

pith:4F2IXEAO

pith:2025:4F2IXEAOUSWBPZUJYY44MA3EV5

not attested not anchored not stored refs pending

Non-Adaptive Cryptanalytic Time-Space Lower Bounds via a Shearer-like Inequality for Permutations

Avichai Marmor, Itai Dinur, Nathan Keller

arxiv:2505.00894 v3 · 2025-05-01 · cs.CR · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4F2IXEAOUSWBPZUJYY44MA3EV5}

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	2026-05-21T01:05:05.797475Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e1748b900ea4ac17e689c639c60364af6f3f5db0a2f25678c026bfe9d472cb41

Aliases

arxiv: 2505.00894 · arxiv_version: 2505.00894v3 · doi: 10.48550/arxiv.2505.00894 · pith_short_12: 4F2IXEAOUSWB · pith_short_16: 4F2IXEAOUSWBPZUJ · pith_short_8: 4F2IXEAO

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/4F2IXEAOUSWBPZUJYY44MA3EV5 \
  | 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: e1748b900ea4ac17e689c639c60364af6f3f5db0a2f25678c026bfe9d472cb41

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "9bbd6a6708cd422969a71755a49874bf42c2f5afc2c5cbccc46bcf8065e0ac18",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2025-05-01T22:17:11Z",
    "title_canon_sha256": "b43da1e16cd128b2d2199fbbb8c33928e3dbadac7c4bd35472205b94e5175cf9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2505.00894",
    "kind": "arxiv",
    "version": 3
  }
}