Pith Number

pith:5SKU3LZX

pith:2019:5SKU3LZXAUYY4YQLY3XPYAJHLP

not attested not anchored not stored refs pending

Implementing Homomorphic Encryption Based Secure Feedback Control for Physical Systems

Farhad Farokhi, Iman Shames, Julian Tran, Michael Cantoni

arxiv:1902.06899 v2 · 2019-02-19 · cs.CR · cs.SY · eess.SP · eess.SY · math.OC

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5SKU3LZXAUYY4YQLY3XPYAJHLP}

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	2026-06-04T20:13:54.628324Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

ec954daf3705318e620bc6eefc01275bd335cdbee5dfacb5f384f38d892004b3

Aliases

arxiv: 1902.06899 · arxiv_version: 1902.06899v2 · doi: 10.48550/arxiv.1902.06899 · pith_short_12: 5SKU3LZXAUYY · pith_short_16: 5SKU3LZXAUYY4YQL · pith_short_8: 5SKU3LZX

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/5SKU3LZXAUYY4YQLY3XPYAJHLP \
  | 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: ec954daf3705318e620bc6eefc01275bd335cdbee5dfacb5f384f38d892004b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b3c677795427958df844b051823bfb2b37478e7866478764abf2046e12040e4d",
    "cross_cats_sorted": [
      "cs.SY",
      "eess.SP",
      "eess.SY",
      "math.OC"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.CR",
    "submitted_at": "2019-02-19T05:25:14Z",
    "title_canon_sha256": "8c853c48297f2859a3737572b7b91b3049213fabd7e1c960d6e58b9fb6de5831"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1902.06899",
    "kind": "arxiv",
    "version": 2
  }
}