Pith Number

pith:DA33B2EA

pith:2026:DA33B2EA3XLX2UMOLFWO2MNRAO

not attested not anchored not stored refs pending

SpiRadar: Radar-Based Non-Contact Spirometry via Sparse Polynomial Framework

Adi Wagerhoff, Lior Barbash, Naama Golan, Patrick Stafler, Ron Berant, Safit Levy, Yhonatan Kvich, Yonathan Eder, Yonina C. Eldar

arxiv:2607.19798 v1 · 2026-07-22 · 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{DA33B2EA3XLX2UMOLFWO2MNRAO}

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	2026-07-23T01:23:59.937841Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

1837b0e880ddd77d518e596ced31b10383b161d51663c597911e328512d85ddc

Aliases

arxiv: 2607.19798 · arxiv_version: 2607.19798v1 · doi: 10.48550/arxiv.2607.19798 · pith_short_12: DA33B2EA3XLX · pith_short_16: DA33B2EA3XLX2UMO · pith_short_8: DA33B2EA

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/DA33B2EA3XLX2UMOLFWO2MNRAO \
  | 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: 1837b0e880ddd77d518e596ced31b10383b161d51663c597911e328512d85ddc

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "59d4d4d70cc7b0869bb943d8edead06c6d1b46df7655dc562cf6755afe1a627a",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-07-22T06:22:12Z",
    "title_canon_sha256": "dbf9ea751524c38e0df72005262fd4d712892b1a5faa13b4ac4a0f09de2d70f3"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2607.19798",
    "kind": "arxiv",
    "version": 1
  }
}