Pith Number

pith:EIMTDFZ4

pith:2014:EIMTDFZ4ASFJB2ZR34A5VJKDCC

not attested not anchored not stored refs pending

General Impossibility of Group Homomorphic Encryption in the Quantum World

Andreas Peter, Frederik Armknecht, Stefan Katzenbeisser, Tommaso Gagliardoni

arxiv:1401.2417 v2 · 2014-01-10 · cs.CR · math.GR

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{EIMTDFZ4ASFJB2ZR34A5VJKDCC}

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	2026-05-18T03:02:33.615595Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

221931973c048a90eb31df01daa54310aed5dadd6cdd138c4edfce20154ecdf9

Aliases

arxiv: 1401.2417 · arxiv_version: 1401.2417v2 · doi: 10.48550/arxiv.1401.2417 · pith_short_12: EIMTDFZ4ASFJ · pith_short_16: EIMTDFZ4ASFJB2ZR · pith_short_8: EIMTDFZ4

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/EIMTDFZ4ASFJB2ZR34A5VJKDCC \
  | 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: 221931973c048a90eb31df01daa54310aed5dadd6cdd138c4edfce20154ecdf9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "97c0fd88e34596b81955d4111a28595a0757647ac816613849eb576f3f2ab7b9",
    "cross_cats_sorted": [
      "math.GR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2014-01-10T18:02:48Z",
    "title_canon_sha256": "fb40acfdff2dc99dc246e117c886404ae0e717e23d57268e5a42fbd2655d31a1"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1401.2417",
    "kind": "arxiv",
    "version": 2
  }
}