Pith Number

pith:O7MY2A4A

pith:2025:O7MY2A4ARWG5D5NJSP32VB3W37

not attested not anchored not stored refs pending

Frequency-selective Dynamic Scattering Arrays for Over-the-air EM Processing

Davide Dardari

arxiv:2502.07336 v1 · 2025-02-11 · eess.SP · 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{O7MY2A4ARWG5D5NJSP32VB3W37}

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	2026-07-05T10:12:36.201188Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

77d98d03808d8dd1f5a993f7aa8776dffd1d02a2d485f3a645f729bbf5e7f889

Aliases

arxiv: 2502.07336 · arxiv_version: 2502.07336v1 · doi: 10.48550/arxiv.2502.07336 · pith_short_12: O7MY2A4ARWG5 · pith_short_16: O7MY2A4ARWG5D5NJ · pith_short_8: O7MY2A4A

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/O7MY2A4ARWG5D5NJSP32VB3W37 \
  | 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: 77d98d03808d8dd1f5a993f7aa8776dffd1d02a2d485f3a645f729bbf5e7f889

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "90f37317be0f36bdeec95b5764fe13aa44d832af98b02c0485074c520ede8086",
    "cross_cats_sorted": [
      "cs.IT",
      "math.IT"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2025-02-11T07:54:49Z",
    "title_canon_sha256": "f0a8e7bf40c90845f8ea15514b426b649750379964214dc41bd3a67d4f80b3aa"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2502.07336",
    "kind": "arxiv",
    "version": 1
  }
}