Pith Number

pith:PH46SMGX

pith:2018:PH46SMGX65H7M67HYV6STR7S4M

not attested not anchored not stored refs pending

On Cryptographic Attacks Using Backdoors for SAT

Alexander Semenov, Alexey Ignatiev, Ilya Otpuschennikov, Oleg Zaikin, Stepan Kochemazov

arxiv:1803.04646 v1 · 2018-03-13 · cs.AI · 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{PH46SMGX65H7M67HYV6STR7S4M}

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	2026-05-18T00:21:18.305200Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

79f9e930d7f74ff67be7c57d29c7f2e33b82c6cce7bbd5cf09737a230d58c515

Aliases

arxiv: 1803.04646 · arxiv_version: 1803.04646v1 · doi: 10.48550/arxiv.1803.04646 · pith_short_12: PH46SMGX65H7 · pith_short_16: PH46SMGX65H7M67H · pith_short_8: PH46SMGX

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/PH46SMGX65H7M67HYV6STR7S4M \
  | 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: 79f9e930d7f74ff67be7c57d29c7f2e33b82c6cce7bbd5cf09737a230d58c515

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "6dab597ad22aeb586a24e89e9b1a98491f724953ccc83fe2b7ff780fdb5685e9",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.AI",
    "submitted_at": "2018-03-13T06:29:50Z",
    "title_canon_sha256": "a7e0ac98b3bc17bf77a908dcac6e1bbb51188dec7a97ed4af3927da13a934104"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1803.04646",
    "kind": "arxiv",
    "version": 1
  }
}