Pith Number

pith:2IFD55PQ

pith:2025:2IFD55PQ24BMDTTUJ7XYR2AWWF

not attested not anchored not stored refs pending

Subspace Fitting Approach for Wideband Near-Field Localization

Ruiyun Zhang, Yuanwei Liu, Zehui Xiong, Zhaolin Wang, Zhiqing Wei, Zhiyong Feng

arxiv:2508.04169 v1 · 2025-08-06 · eess.SP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{2IFD55PQ24BMDTTUJ7XYR2AWWF}

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	2026-07-05T11:49:21.942462Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d20a3ef5f0d702c1ce744fef88e816b15a98134bd76e7325c192bcefab804b35

Aliases

arxiv: 2508.04169 · arxiv_version: 2508.04169v1 · doi: 10.48550/arxiv.2508.04169 · pith_short_12: 2IFD55PQ24BM · pith_short_16: 2IFD55PQ24BMDTTU · pith_short_8: 2IFD55PQ

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/2IFD55PQ24BMDTTUJ7XYR2AWWF \
  | 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: d20a3ef5f0d702c1ce744fef88e816b15a98134bd76e7325c192bcefab804b35

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "c888a604280b61111526b0110f03934abd20a9707e1a6526f8c2fe07ef799b06",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-08-06T07:48:50Z",
    "title_canon_sha256": "3c5ad339d4f3b549041c0565dc5a2556fbd73051ac71c5fe06302a1076bf6a7c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.04169",
    "kind": "arxiv",
    "version": 1
  }
}