Pith Number

pith:WZQWJWCN

pith:2026:WZQWJWCNDAHZED3MLJJVXT5KRT

not attested not anchored not stored refs pending

On the simple derivation of the Casimir effect

Hai-Chau Nguyen, Matthias Kleinmann

arxiv:2606.26946 v1 · 2026-06-25 · quant-ph · physics.ed-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{WZQWJWCNDAHZED3MLJJVXT5KRT}

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	2026-06-26T01:16:04.828158Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b66164d84d180f920f6c5a535bcfaa8cd3a73939efc65ee19d7f9ea1d09fe034

Aliases

arxiv: 2606.26946 · arxiv_version: 2606.26946v1 · doi: 10.48550/arxiv.2606.26946 · pith_short_12: WZQWJWCNDAHZ · pith_short_16: WZQWJWCNDAHZED3M · pith_short_8: WZQWJWCN

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/WZQWJWCNDAHZED3MLJJVXT5KRT \
  | 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: b66164d84d180f920f6c5a535bcfaa8cd3a73939efc65ee19d7f9ea1d09fe034

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "34f844dddc61ede01c6d05cbe18ef429abb665973f5557a7586f52f8c190002b",
    "cross_cats_sorted": [
      "physics.ed-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "quant-ph",
    "submitted_at": "2026-06-25T12:20:16Z",
    "title_canon_sha256": "a3d7741f317bcc987f33ac8d6292ec7b2ea4d171f4d5ddcfcb5a0af1b664849e"
  },
  "schema_version": "1.0",
  "source": {
    "id": "2606.26946",
    "kind": "arxiv",
    "version": 1
  }
}