Pith Number

pith:DYXAJQ2Z

pith:2025:DYXAJQ2ZUMXLZ74FBVF4YHZK34

not attested not anchored not stored refs pending

Near-Field Spatial non-Stationary Channel Estimation: Visibility-Region-HMM-Aided Polar-Domain Simultaneous OMP

Cel Thys, Robbert Beerten, Sofie Pollin, Thibaut Ceulemans, Zhuangzhuang Cui

arxiv:2508.04222 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{DYXAJQ2ZUMXLZ74FBVF4YHZK34}

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	2026-07-05T11:49:23.150322Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1e2e04c359a32ebcff850d4bcc1f2adf23d5d48d9016138c46d083f2e160f1a9

Aliases

arxiv: 2508.04222 · arxiv_version: 2508.04222v1 · doi: 10.48550/arxiv.2508.04222 · pith_short_12: DYXAJQ2ZUMXL · pith_short_16: DYXAJQ2ZUMXLZ74F · pith_short_8: DYXAJQ2Z

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/DYXAJQ2ZUMXLZ74FBVF4YHZK34 \
  | 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: 1e2e04c359a32ebcff850d4bcc1f2adf23d5d48d9016138c46d083f2e160f1a9

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "8b02b4d89fb9ef6bde00f7db56b7491e6346c698d3855ae0b87bfb315bcf7f7f",
    "cross_cats_sorted": [],
    "license": "http://creativecommons.org/licenses/by/4.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-08-06T08:55:01Z",
    "title_canon_sha256": "b1db91cfe71b77d06e41185cba22da12289c838d891e6d4b0c300b9748152ac5"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2508.04222",
    "kind": "arxiv",
    "version": 1
  }
}