Pith Number

pith:3EWCUP4F

pith:2013:3EWCUP4FPFZENWFDNPRS2OS2V3

not attested not anchored not stored refs pending

Derivation of the Love equation for the charge density of a circular plate condenser

B. U. Felderhof

arxiv:1309.3662 v1 · 2013-09-14 · physics.class-ph

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

Add to your LaTeX paper

\usepackage{pith}
\pithnumber{3EWCUP4FPFZENWFDNPRS2OS2V3}

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	2026-05-18T03:13:20.796075Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

d92c2a3f85797246d8a36be32d3a5aaec192e12072208d2df845edc7740f31a3

Aliases

arxiv: 1309.3662 · arxiv_version: 1309.3662v1 · doi: 10.48550/arxiv.1309.3662 · pith_short_12: 3EWCUP4FPFZE · pith_short_16: 3EWCUP4FPFZENWFD · pith_short_8: 3EWCUP4F

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/3EWCUP4FPFZENWFDNPRS2OS2V3 \
  | 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: d92c2a3f85797246d8a36be32d3a5aaec192e12072208d2df845edc7740f31a3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "27f0c60efbc3d125e3b37ae8a714da65506d04ab8111bc2e3eb3ef8234d1214d",
    "cross_cats_sorted": [],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "physics.class-ph",
    "submitted_at": "2013-09-14T13:07:23Z",
    "title_canon_sha256": "70dd86658c820c4c7ef2b0b5311f44e48960027a6a21239d4cefdacc3b9b1411"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1309.3662",
    "kind": "arxiv",
    "version": 1
  }
}