Pith Number

pith:I6JF7CDP

pith:2017:I6JF7CDPVR37R6JOMAAG4EATNP

not attested not anchored not stored refs pending

A note on some algebraic trapdoors for block ciphers

Marco Calderini

arxiv:1705.08151 v2 · 2017-05-23 · math.GR · 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{I6JF7CDPVR37R6JOMAAG4EATNP}

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	2026-05-18T00:15:42.932964Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

47925f886fac77f8f92e60006e10136be77a67981cc0c20c582ea8d7a911b14e

Aliases

arxiv: 1705.08151 · arxiv_version: 1705.08151v2 · doi: 10.48550/arxiv.1705.08151 · pith_short_12: I6JF7CDPVR37 · pith_short_16: I6JF7CDPVR37R6JO · pith_short_8: I6JF7CDP

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/I6JF7CDPVR37R6JOMAAG4EATNP \
  | 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: 47925f886fac77f8f92e60006e10136be77a67981cc0c20c582ea8d7a911b14e

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "2d0b79fa9333ddc8bf584041e7a1c1ca96c9b0938af7fd155ed21a00e85f9c2d",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math.GR",
    "submitted_at": "2017-05-23T09:34:05Z",
    "title_canon_sha256": "b4be67d7a4d78f8e9915b8c84f5cff21cc7825401765ec9ffd71a229ad336ef9"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1705.08151",
    "kind": "arxiv",
    "version": 2
  }
}