Pith Number

pith:4O7ZPYQA

pith:2015:4O7ZPYQAB5PDHKVRCPYQGW3KRQ

not attested not anchored not stored refs pending

Existence of the solution to electromagnetic wave scattering problem for an impedance body of an arbitrary shape

Alexander G. Ramm, Martin Schechter

arxiv:1503.00634 v1 · 2015-03-02 · math-ph · math.MP

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{4O7ZPYQAB5PDHKVRCPYQGW3KRQ}

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	2026-05-18T02:25:49.625547Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

e3bf97e2000f5e33aab113f1035b6a8c1fd89a469b3680ab5c5c6994c37c3941

Aliases

arxiv: 1503.00634 · arxiv_version: 1503.00634v1 · doi: 10.48550/arxiv.1503.00634 · pith_short_12: 4O7ZPYQAB5PD · pith_short_16: 4O7ZPYQAB5PDHKVR · pith_short_8: 4O7ZPYQA

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/4O7ZPYQAB5PDHKVRCPYQGW3KRQ \
  | 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: e3bf97e2000f5e33aab113f1035b6a8c1fd89a469b3680ab5c5c6994c37c3941

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "d783653c161809af9dfa6fd02231ebd034675e8e9c1fd36e4612e7d6522fec95",
    "cross_cats_sorted": [
      "math.MP"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "math-ph",
    "submitted_at": "2015-03-02T17:41:43Z",
    "title_canon_sha256": "9b5e66c07edfa1e6265c09c22eef16881536a52ad6ee29509d14426ea3f83c6c"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00634",
    "kind": "arxiv",
    "version": 1
  }
}