Pith Number

pith:W5V5LQZA

pith:2009:W5V5LQZAPYP2EW7EFIEMMMCYAA

not attested not anchored not stored refs pending

Absence of Klein's paradox for massive bosons coupled by nonminimal vector interactions

A.S. de Castro, L.B. Castro, T.R. Cardoso

arxiv:0905.0427 v2 · 2009-05-04 · hep-th · 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{W5V5LQZAPYP2EW7EFIEMMMCYAA}

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	2026-05-18T02:13:47.814471Z
Builder	pith-number-builder-2026-05-17-v1
Signature	Pith Ed25519 (`pith-v1-2026-05`) · public key
Schema	pith-number/v1.0

Canonical hash

b76bd5c3207e1fa25be42a08c63058001ad93cfeca41c21e5fd0616a4b6e1a2d

Aliases

arxiv: 0905.0427 · arxiv_version: 0905.0427v2 · doi: 10.48550/arxiv.0905.0427 · pith_short_12: W5V5LQZAPYP2 · pith_short_16: W5V5LQZAPYP2EW7E · pith_short_8: W5V5LQZA

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/W5V5LQZAPYP2EW7EFIEMMMCYAA \
  | 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: b76bd5c3207e1fa25be42a08c63058001ad93cfeca41c21e5fd0616a4b6e1a2d

Canonical record JSON

{
  "metadata": {
    "abstract_canon_sha256": "3f101092fb05ac279da5200725f14c2e5bd12cd5243738c9043d85572a2d9b0a",
    "cross_cats_sorted": [
      "quant-ph"
    ],
    "license": "http://arxiv.org/licenses/nonexclusive-distrib/1.0/",
    "primary_cat": "hep-th",
    "submitted_at": "2009-05-04T17:05:55Z",
    "title_canon_sha256": "ddabb95d78e48f1fc62e728387e31d5527d7a6eab58d72f68e6daf18f5272795"
  },
  "schema_version": "1.0",
  "source": {
    "id": "0905.0427",
    "kind": "arxiv",
    "version": 2
  }
}