Pith Number

pith:HMTTEGWS

pith:2013:HMTTEGWS7Y7XBOU46NM5ZF5IMM

not attested not anchored not stored refs pending

The Casimir effect as a candidate of dark energy

Jiro Matsumoto

arxiv:1303.4067 v3 · 2013-03-17 · hep-th · astro-ph.CO · gr-qc · quant-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{HMTTEGWS7Y7XBOU46NM5ZF5IMM}

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	2026-05-18T03:03:54.877814Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

3b27321ad2fe3f70ba9cf359dc97a8631258bb937af99359f9736b66ae8d84b3

Aliases

arxiv: 1303.4067 · arxiv_version: 1303.4067v3 · doi: 10.48550/arxiv.1303.4067 · pith_short_12: HMTTEGWS7Y7X · pith_short_16: HMTTEGWS7Y7XBOU4 · pith_short_8: HMTTEGWS

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/HMTTEGWS7Y7XBOU46NM5ZF5IMM \
  | 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: 3b27321ad2fe3f70ba9cf359dc97a8631258bb937af99359f9736b66ae8d84b3

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "fe805b958f60c50a7ecc2a4d5e4201af28c8d4aece8cb6e9874b6864b4447d71",
    "cross_cats_sorted": [
      "astro-ph.CO",
      "gr-qc",
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2013-03-17T15:00:48Z",
    "title_canon_sha256": "244494711fe67a28ca5a2fbbb0f85f19e936f1cafcfb680a6e286f2f207474fb"
  },
  "schema_version": "1.0",
  "source": {
    "id": "1303.4067",
    "kind": "arxiv",
    "version": 3
  }
}