pith. sign in
Pith Number

pith:TPO3KJ5R

pith:2018:TPO3KJ5RPSPUN67IC5OXB2YC2N
not attested not anchored not stored refs pending

Remarks on the Casimir Self-Entropy of a Spherical Electromagnetic $\delta$-Function Shell

Kimball A. Milton, Prachi Parashar, Pushpa Kalauni, Yang Li

arxiv:1808.03816 v2 · 2018-08-11 · hep-th · quant-ph

Add to your LaTeX paper
\usepackage{pith}
\pithnumber{TPO3KJ5RPSPUN67IC5OXB2YC2N}

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 2026-05-17T23:52:41.282878Z
Builder pith-number-builder-2026-05-17-v1
Signature Pith Ed25519 (pith-v1-2026-05) · public key
Schema pith-number/v1.0

Canonical hash

9bddb527b17c9f46fbe8175d70eb02d343aa6ebfa9f6c9a8ea58cf9b80a922a8

Aliases

arxiv: 1808.03816 · arxiv_version: 1808.03816v2 · doi: 10.48550/arxiv.1808.03816 · pith_short_12: TPO3KJ5RPSPU · pith_short_16: TPO3KJ5RPSPUN67I · pith_short_8: TPO3KJ5R
Agent API
Verify this Pith Number yourself
curl -sH 'Accept: application/ld+json' https://pith.science/pith/TPO3KJ5RPSPUN67IC5OXB2YC2N \
  | 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: 9bddb527b17c9f46fbe8175d70eb02d343aa6ebfa9f6c9a8ea58cf9b80a922a8
Canonical record JSON
{
  "metadata": {
    "abstract_canon_sha256": "e5884d595e69278b586a626d2351d3dab41f1186c9e2aeebf62ad2ad180fab2e",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2018-08-11T15:12:52Z",
    "title_canon_sha256": "5e566a811a7d5885fb376bb5ea7ebd305a841f3db495abc6ef381236ade679bb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1808.03816",
    "kind": "arxiv",
    "version": 2
  }
}