Pith Number

pith:SXROOFN4

pith:2015:SXROOFN4LH5XRRV5YGTMYFC53T

not attested not anchored not stored refs pending

Scattering of electromagnetic waves by small impedance particles of an arbitrary shape

Alexander G. Ramm

arxiv:1503.00639 v1 · 2015-03-02 · physics.optics

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{SXROOFN4LH5XRRV5YGTMYFC53T}

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	2026-05-18T02:25:49.613717Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

95e2e715bc59fb78c6bdc1a6cc145ddccd1e9670d628097598fc5a1744edd622

Aliases

arxiv: 1503.00639 · arxiv_version: 1503.00639v1 · doi: 10.48550/arxiv.1503.00639 · pith_short_12: SXROOFN4LH5X · pith_short_16: SXROOFN4LH5XRRV5 · pith_short_8: SXROOFN4

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/SXROOFN4LH5XRRV5YGTMYFC53T \
  | 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: 95e2e715bc59fb78c6bdc1a6cc145ddccd1e9670d628097598fc5a1744edd622

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "932243390ac61fa8d6f07380531541c02eb29147a76f4f6ae48d88c311540bb1",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.optics",
    "submitted_at": "2015-03-02T17:51:46Z",
    "title_canon_sha256": "8314f2001e2cd807ae2295add917dc5a7854721e8f34f51aac73bbe5c24fe227"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1503.00639",
    "kind": "arxiv",
    "version": 1
  }
}