Pith Number

pith:YCMQ2QJX

pith:2013:YCMQ2QJXBKPNFAVJ4MW5D4NL56

not attested not anchored not stored refs pending

Accurate and Robust Indoor Localization Systems using Ultra-wideband Signals

Erik Leitinger, Klaus Witrisal, Markus Fr\"ohle, Paul Meissner

arxiv:1304.7928 v1 · 2013-04-30 · cs.ET · cs.IT · math.IT

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{YCMQ2QJXBKPNFAVJ4MW5D4NL56}

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	2026-05-18T03:26:51.377920Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

c0990d41370a9ed282a9e32dd1f1abefb1571513bb44c468d46b7b261a41ccc4

Aliases

arxiv: 1304.7928 · arxiv_version: 1304.7928v1 · doi: 10.48550/arxiv.1304.7928 · pith_short_12: YCMQ2QJXBKPN · pith_short_16: YCMQ2QJXBKPNFAVJ · pith_short_8: YCMQ2QJX

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/YCMQ2QJXBKPNFAVJ4MW5D4NL56 \
  | 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: c0990d41370a9ed282a9e32dd1f1abefb1571513bb44c468d46b7b261a41ccc4

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "353de100edceb7ad40795c4f4c890bd67947ceed2a3545d778fe5bf983ce2aee",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "cs.ET",
    "submitted_at": "2013-04-30T09:20:33Z",
    "title_canon_sha256": "ff444fd4cb796e20ee8ac99b1d7366424ddd9b62a82dbb23f4b6d0c869c36117"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1304.7928",
    "kind": "arxiv",
    "version": 1
  }
}