Pith Number

pith:D2E56NC2

pith:2015:D2E56NC2KQIW4CVSDCEVSM5ALV

not attested not anchored not stored refs pending

Indoor Localization Algorithm For Smartphones

Hong Hu, Kaiqing Zhang, Moe Z. Win, Wenhan Dai, Yuan Shen

arxiv:1503.07628 v1 · 2015-03-26 · cs.NI

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{D2E56NC2KQIW4CVSDCEVSM5ALV}

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	2026-05-18T02:20:19.183762Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e89df345a54116e0ab218895933a05d772cea59c5c531d7f15cbbdcd19cf105

Aliases

arxiv: 1503.07628 · arxiv_version: 1503.07628v1 · doi: 10.48550/arxiv.1503.07628 · pith_short_12: D2E56NC2KQIW · pith_short_16: D2E56NC2KQIW4CVS · pith_short_8: D2E56NC2

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/D2E56NC2KQIW4CVSDCEVSM5ALV \
  | 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: 1e89df345a54116e0ab218895933a05d772cea59c5c531d7f15cbbdcd19cf105

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8aa08f7e72443ba987578253408a1d71f6c615a8eb3fad0a61c8dcc045d46022",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/3.0/",
    "primary_cat": "cs.NI",
    "submitted_at": "2015-03-26T05:32:23Z",
    "title_canon_sha256": "9ffce27141dac44023c60eeb718022ea9c3975562a35093d1f742117255ef7ee"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.07628",
    "kind": "arxiv",
    "version": 1
  }
}