Pith Number

pith:RU4MJDR4

pith:2019:RU4MJDR4QQYNQBT7COYCYYX63E

not attested not anchored not stored refs pending

Handoff All Your Privacy: A Review of Apple's Bluetooth Low Energy Continuity Protocol

Brandon Sipes, Douglas Alpuche, Ellis Fenske, Erik C. Rye, Jeremy Martin, Kristina Bodeman, Lamont Brown, Lucas Foppe, Sam Teplov, Travis Mayberry

arxiv:1904.10600 v2 · 2019-04-24 · cs.NI · 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{RU4MJDR4QQYNQBT7COYCYYX63E}

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	2026-05-17T23:43:14.461198Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

8d38c48e3c8430d8067f13b02c62fed92ec8b03ad4ae07252d1fb23ce0ebcb21

Aliases

arxiv: 1904.10600 · arxiv_version: 1904.10600v2 · doi: 10.48550/arxiv.1904.10600 · pith_short_12: RU4MJDR4QQYN · pith_short_16: RU4MJDR4QQYNQBT7 · pith_short_8: RU4MJDR4

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/RU4MJDR4QQYNQBT7COYCYYX63E \
  | 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: 8d38c48e3c8430d8067f13b02c62fed92ec8b03ad4ae07252d1fb23ce0ebcb21

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "1675ec4ddfc1e319c93ac4fdf8b973c690f54423aa00314acc5a884047d48eeb",
    "cross_cats_sorted": [
      "cs.CR"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2019-04-24T01:48:23Z",
    "title_canon_sha256": "cab98f40fb68fb37f4eaf754bf30ae3b7f91e1006229f44fdf3b9d0b65bdd054"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1904.10600",
    "kind": "arxiv",
    "version": 2
  }
}