Pith Number

pith:7OIL6TQH

pith:2020:7OIL6TQHSV7D3CL4P5JQZDSH3Q

not attested not anchored not stored refs pending

Inferring proximity from Bluetooth Low Energy RSSI with Unscented Kalman Smoothers

Chris Holmes, James Lomax, Marcos Charalambides, Mark Briers, Radka Jersakova, Tom Lovett

arxiv:2007.05057 v1 · 2020-07-09 · eess.SP · cs.CY · stat.AP · stat.ML

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{7OIL6TQHSV7D3CL4P5JQZDSH3Q}

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	2026-07-05T01:17:42.883602Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

fb90bf4e07957e3d897c7f530c8e47dc27a68d75e5fa65b0111b5b751870cae2

Aliases

arxiv: 2007.05057 · arxiv_version: 2007.05057v1 · doi: 10.48550/arxiv.2007.05057 · pith_short_12: 7OIL6TQHSV7D · pith_short_16: 7OIL6TQHSV7D3CL4 · pith_short_8: 7OIL6TQH

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/7OIL6TQHSV7D3CL4P5JQZDSH3Q \
  | 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: fb90bf4e07957e3d897c7f530c8e47dc27a68d75e5fa65b0111b5b751870cae2

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "4774059b531e4db3a758e46f38104cace0eaa6ba917f832682b09e1364bb6e18",
    "cross_cats_sorted": [
      "cs.CY",
      "stat.AP",
      "stat.ML"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2020-07-09T20:47:02Z",
    "title_canon_sha256": "47ca482d536a2e855c98965e491a7cc98424514058a0367621da5dfc7e67c9ac"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2007.05057",
    "kind": "arxiv",
    "version": 1
  }
}