Pith Number

pith:AOIJ7TBK

pith:2026:AOIJ7TBKPMCPASAT3RJ3GOFI5V

not attested not anchored not stored refs pending

A Physically Consistent Assessment of Nearfield Beamfocusing into Occluded Regions

Alexander Stutz-Tirri, Christoph Studer, Georg Schwan

arxiv:2608.13350 v1 · 2026-08-13 · 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{AOIJ7TBKPMCPASAT3RJ3GOFI5V}

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	2026-08-14T01:04:16.604668Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

03909fcc2a7b04f04813dc53b338a8ed40e4c3a932dd0cb73d2b4f4b277b9f30

Aliases

arxiv: 2608.13350 · arxiv_version: 2608.13350v1 · doi: 10.48550/arxiv.2608.13350 · pith_short_12: AOIJ7TBKPMCP · pith_short_16: AOIJ7TBKPMCPASAT · pith_short_8: AOIJ7TBK

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/AOIJ7TBKPMCPASAT3RJ3GOFI5V \
  | 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: 03909fcc2a7b04f04813dc53b338a8ed40e4c3a932dd0cb73d2b4f4b277b9f30

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "24ef8d72d26713adb8ba45645c63d363dc1ad91cdf548804dd297c9760d57a2b",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "eess.SP",
    "submitted_at": "2026-08-13T15:17:12Z",
    "title_canon_sha256": "291f4960cde64f4b7eb92e7e28b74d03c0dfb0272bd86811ce4da3466fa666e4"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2608.13350",
    "kind": "arxiv",
    "version": 1
  }
}