Pith Number

pith:5FA4KIXD

pith:2019:5FA4KIXDUOTLUNVOG7XZWVQN2Z

not attested not anchored not stored refs pending

PingPong: Packet-Level Signatures for Smart Home Device Events

Athina Markopoulou, Brian Demsky, Janus Varmarken, Rahmadi Trimananda

arxiv:1907.11797 v3 · 2019-07-26 · cs.NI · cs.CR · cs.DS · cs.LG

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{5FA4KIXDUOTLUNVOG7XZWVQN2Z}

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	2026-07-05T00:39:32.123546Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e941c522e3a3a6ba36ae37ef9b560dd6747c7aca35de4d030da4bb192f459124

Aliases

arxiv: 1907.11797 · arxiv_version: 1907.11797v3 · doi: 10.48550/arxiv.1907.11797 · pith_short_12: 5FA4KIXDUOTL · pith_short_16: 5FA4KIXDUOTLUNVO · pith_short_8: 5FA4KIXD

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/5FA4KIXDUOTLUNVOG7XZWVQN2Z \
  | 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: e941c522e3a3a6ba36ae37ef9b560dd6747c7aca35de4d030da4bb192f459124

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "b245101b8b400ab33c632cfc480cd16bc636936461d16c5b3c94d5ca0dfc7493",
    "cross_cats_sorted": [
      "cs.CR",
      "cs.DS",
      "cs.LG"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-07-26T21:48:13Z",
    "title_canon_sha256": "379ce3f2718025042cc68e8189559176b5437ca894ae9be9e1f089b3a66e322c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1907.11797",
    "kind": "arxiv",
    "version": 3
  }
}